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242202144 = 25323432551
BaseRepresentation
bin11100110111110…
…11011000100000
3121212202010212210
432123323120200
5444000432034
640011122120
76000453462
oct1633733040
9555663783
10242202144
11114798068
1269143340
133b2422a2
142424a132
15163e38e9
hexe6fb620

242202144 has 96 divisors (see below), whose sum is σ = 679117824. Its totient is φ = 75398400.

The previous prime is 242202143. The next prime is 242202203. The reversal of 242202144 is 441202242.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 242202144.

It is not an unprimeable number, because it can be changed into a prime (242202143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93669 + ... + 96219.

It is an arithmetic number, because the mean of its divisors is an integer number (7074144).

Almost surely, 2242202144 is an apocalyptic number.

242202144 is a gapful number since it is divisible by the number (24) 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 242202144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339558912).

242202144 is an abundant number, since it is smaller than the sum of its proper divisors (436915680).

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

242202144 is a wasteful number, since it uses less digits than its factorization.

242202144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630 (or 2622 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 242202144 is about 15562.8449841281. The cubic root of 242202144 is about 623.3414320839.

Adding to 242202144 its reverse (441202242), we get a palindrome (683404386).

The spelling of 242202144 in words is "two hundred forty-two million, two hundred two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 43 46 48 69 86 92 96 129 138 172 184 258 276 344 368 516 552 688 736 989 1032 1104 1376 1978 2064 2208 2551 2967 3956 4128 5102 5934 7653 7912 10204 11868 15306 15824 20408 23736 30612 31648 40816 47472 58673 61224 81632 94944 109693 117346 122448 176019 219386 234692 244896 329079 352038 438772 469384 658158 704076 877544 938768 1316316 1408152 1755088 1877536 2522939 2632632 2816304 3510176 5045878 5265264 5632608 7568817 10091756 10530528 15137634 20183512 30275268 40367024 60550536 80734048 121101072 242202144