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68074286 = 2712738287
BaseRepresentation
bin1000000111010…
…11101100101110
311202002112100212
410003223230232
5114411334121
610431022422
71454423210
oct403535456
9152075325
1068074286
1135476245
121a96aa12
1311146157
1490805b0
155e9a25b
hex40ebb2e

68074286 has 16 divisors (see below), whose sum is σ = 117620736. Its totient is φ = 28944216.

The previous prime is 68074267. The next prime is 68074327. The reversal of 68074286 is 68247086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17366 + ... + 20921.

It is an arithmetic number, because the mean of its divisors is an integer number (7351296).

Almost surely, 268074286 is an apocalyptic number.

68074286 is a deficient number, since it is larger than the sum of its proper divisors (49546450).

68074286 is a wasteful number, since it uses less digits than its factorization.

68074286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38423.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 68074286 is about 8250.7142721100. The cubic root of 68074286 is about 408.3140883706.

The spelling of 68074286 in words is "sixty-eight million, seventy-four thousand, two hundred eighty-six".

Divisors: 1 2 7 14 127 254 889 1778 38287 76574 268009 536018 4862449 9724898 34037143 68074286