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68040716 = 22233831931
BaseRepresentation
bin1000000111000…
…11100000001100
311202000211022112
410003203200030
5114404300331
610430203152
71454223302
oct403434014
9152024275
1068040716
1135452aa7
121a9534b8
1311133aa3
149072272
155e9032b
hex40e380c

68040716 has 24 divisors (see below), whose sum is σ = 124637184. Its totient is φ = 32439440.

The previous prime is 68040673. The next prime is 68040719. The reversal of 68040716 is 61704086.

It is not an unprimeable number, because it can be changed into a prime (68040719) 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, 34271 + ... + 36201.

It is an arithmetic number, because the mean of its divisors is an integer number (5193216).

Almost surely, 268040716 is an apocalyptic number.

It is an amenable number.

68040716 is a deficient number, since it is larger than the sum of its proper divisors (56596468).

68040716 is a wasteful number, since it uses less digits than its factorization.

68040716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341 (or 2339 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 68040716 is about 8248.6796519201. The cubic root of 68040716 is about 408.2469589716.

The spelling of 68040716 in words is "sixty-eight million, forty thousand, seven hundred sixteen".

Divisors: 1 2 4 23 46 92 383 766 1532 1931 3862 7724 8809 17618 35236 44413 88826 177652 739573 1479146 2958292 17010179 34020358 68040716