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225201024 = 2732233839
BaseRepresentation
bin11010110110001…
…00101110000000
3120200202101201200
431123010232000
5430122413044
634202501200
75403114516
oct1533045600
9520671650
10225201024
11106135954
1263504800
133786bb59
1421ca24b6
1514b86369
hexd6c4b80

225201024 has 96 divisors (see below), whose sum is σ = 651596400. Its totient is φ = 74655744.

The previous prime is 225201007. The next prime is 225201049. The reversal of 225201024 is 420102522.

225201024 = T272 + T273 + ... + T1110.

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

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 = 225200988 and 225201006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267997 + ... + 268835.

Almost surely, 2225201024 is an apocalyptic number.

225201024 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 225201024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325798200).

225201024 is an abundant number, since it is smaller than the sum of its proper divisors (426395376).

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

225201024 is a wasteful number, since it uses less digits than its factorization.

225201024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 225201024 is about 15006.6993039775. The cubic root of 225201024 is about 608.4012817244.

Adding to 225201024 its reverse (420102522), we get a palindrome (645303546).

The spelling of 225201024 in words is "two hundred twenty-five million, two hundred one thousand, twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 233 288 384 466 576 699 839 932 1152 1398 1678 1864 2097 2517 2796 3356 3728 4194 5034 5592 6712 7456 7551 8388 10068 11184 13424 14912 15102 16776 20136 22368 26848 29824 30204 33552 40272 44736 53696 60408 67104 80544 89472 107392 120816 134208 161088 195487 241632 268416 322176 390974 483264 586461 781948 966528 1172922 1563896 1759383 2345844 3127792 3518766 4691688 6255584 7037532 9383376 12511168 14075064 18766752 25022336 28150128 37533504 56300256 75067008 112600512 225201024