Search a number
-
+
120232224 = 25327232593
BaseRepresentation
bin1110010101010…
…01100100100000
322101020102121100
413022221210200
5221234412344
615532554400
72656646160
oct712514440
9271212540
10120232224
1161960282
1234322a00
131bba8838
1411d7a5a0
15a84e569
hex72a9920

120232224 has 144 divisors (see below), whose sum is σ = 407901312. Its totient is φ = 32845824.

The previous prime is 120232219. The next prime is 120232243. The reversal of 120232224 is 422232021.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120232197 and 120232206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45072 + ... + 47664.

It is an arithmetic number, because the mean of its divisors is an integer number (2832648).

Almost surely, 2120232224 is an apocalyptic number.

120232224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120232224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203950656).

120232224 is an abundant number, since it is smaller than the sum of its proper divisors (287669088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120232224 is a wasteful number, since it uses less digits than its factorization.

120232224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639 (or 2628 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 120232224 is about 10965.0455539409. The cubic root of 120232224 is about 493.5603840833.

Adding to 120232224 its reverse (422232021), we get a palindrome (542464245).

The spelling of 120232224 in words is "one hundred twenty million, two hundred thirty-two thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 28 32 36 42 46 48 56 63 69 72 84 92 96 112 126 138 144 161 168 184 207 224 252 276 288 322 336 368 414 483 504 552 644 672 736 828 966 1008 1104 1288 1449 1656 1932 2016 2208 2576 2593 2898 3312 3864 5152 5186 5796 6624 7728 7779 10372 11592 15456 15558 18151 20744 23184 23337 31116 36302 41488 46368 46674 54453 59639 62232 72604 82976 93348 108906 119278 124464 145208 163359 178917 186696 217812 238556 248928 290416 326718 357834 373392 417473 435624 477112 536751 580832 653436 715668 746784 834946 871248 954224 1073502 1252419 1306872 1431336 1669892 1742496 1908448 2147004 2504838 2613744 2862672 3339784 3757257 4294008 5009676 5227488 5725344 6679568 7514514 8588016 10019352 13359136 15029028 17176032 20038704 30058056 40077408 60116112 120232224