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68077698 = 2313872791
BaseRepresentation
bin1000000111011…
…00100010000010
311202002201001020
410003230202002
5114411441243
610431050310
71454436153
oct403544202
9152081036
1068077698
1135478867
121a970996
1311147880
14908192a
155e9b283
hex40ec882

68077698 has 16 divisors (see below), whose sum is σ = 146629056. Its totient is φ = 20946960.

The previous prime is 68077693. The next prime is 68077699. The reversal of 68077698 is 89677086.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68077698.

It is not an unprimeable number, because it can be changed into a prime (68077693) 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, 436318 + ... + 436473.

It is an arithmetic number, because the mean of its divisors is an integer number (9164316).

Almost surely, 268077698 is an apocalyptic number.

68077698 is an abundant number, since it is smaller than the sum of its proper divisors (78551358).

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

68077698 is a wasteful number, since it uses less digits than its factorization.

68077698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872809.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 68077698 is about 8250.9210394961. The cubic root of 68077698 is about 408.3209100575.

The spelling of 68077698 in words is "sixty-eight million, seventy-seven thousand, six hundred ninety-eight".

Divisors: 1 2 3 6 13 26 39 78 872791 1745582 2618373 5236746 11346283 22692566 34038849 68077698