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68042586 = 2325145181
BaseRepresentation
bin1000000111000…
…11111101011010
311202000220212210
410003203331122
5114404330321
610430215550
71454231613
oct403437532
9152026783
1068042586
1135454447
121a9545b6
13111348b1
149072c0a
155e90b76
hex40e3f5a

68042586 has 16 divisors (see below), whose sum is σ = 136630368. Its totient is φ = 22590000.

The previous prime is 68042573. The next prime is 68042603. The reversal of 68042586 is 68524086.

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, 21085 + ... + 24096.

It is an arithmetic number, because the mean of its divisors is an integer number (8539398).

Almost surely, 268042586 is an apocalyptic number.

68042586 is an abundant number, since it is smaller than the sum of its proper divisors (68587782).

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

68042586 is a wasteful number, since it uses less digits than its factorization.

68042586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45437.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 68042586 is about 8248.7930026156. The cubic root of 68042586 is about 408.2506989617.

The spelling of 68042586 in words is "sixty-eight million, forty-two thousand, five hundred eighty-six".

Divisors: 1 2 3 6 251 502 753 1506 45181 90362 135543 271086 11340431 22680862 34021293 68042586