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68596728 = 2338093533
BaseRepresentation
bin1000001011010…
…11001111111000
311210002002000120
410011223033320
5120030043403
610450133240
71462030314
oct405531770
9153062016
1068596728
11357a2812
121ab81220
1311299ba5
149178b44
15604ee53
hex416b3f8

68596728 has 32 divisors (see below), whose sum is σ = 171752400. Its totient is φ = 22830848.

The previous prime is 68596711. The next prime is 68596729. The reversal of 68596728 is 82769586.

It is a super-2 number, since 2×685967282 = 9411022184611968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68596729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17650 + ... + 21182.

Almost surely, 268596728 is an apocalyptic number.

It is an amenable number.

68596728 is an abundant number, since it is smaller than the sum of its proper divisors (103155672).

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

68596728 is a wasteful number, since it uses less digits than its factorization.

68596728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4351 (or 4347 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 68596728 is about 8282.3141693611. The cubic root of 68596728 is about 409.3559748204.

It can be divided in two parts, 68 and 596728, that multiplied together give a palindrome (40577504).

The spelling of 68596728 in words is "sixty-eight million, five hundred ninety-six thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 809 1618 2427 3236 3533 4854 6472 7066 9708 10599 14132 19416 21198 28264 42396 84792 2858197 5716394 8574591 11432788 17149182 22865576 34298364 68596728