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68027624 = 2371378867
BaseRepresentation
bin1000000111000…
…00010011101000
311202000011100122
410003200103220
5114403340444
610430022412
71454140160
oct403402350
9152004318
1068027624
1135444185
121a947a08
131112ab42
14906b5a0
155e8b4ee
hex40e04e8

68027624 has 32 divisors (see below), whose sum is σ = 146854080. Its totient is φ = 28938624.

The previous prime is 68027623. The next prime is 68027647. The reversal of 68027624 is 42672086.

It is not an unprimeable number, because it can be changed into a prime (68027621) 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, 3239 + ... + 12105.

It is an arithmetic number, because the mean of its divisors is an integer number (4589190).

Almost surely, 268027624 is an apocalyptic number.

It is an amenable number.

68027624 is an abundant number, since it is smaller than the sum of its proper divisors (78826456).

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

68027624 is a wasteful number, since it uses less digits than its factorization.

68027624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9017 (or 9013 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 68027624 is about 8247.8860321903. The cubic root of 68027624 is about 408.2207731212.

The spelling of 68027624 in words is "sixty-eight million, twenty-seven thousand, six hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 56 137 274 548 959 1096 1918 3836 7672 8867 17734 35468 62069 70936 124138 248276 496552 1214779 2429558 4859116 8503453 9718232 17006906 34013812 68027624