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68715058 = 2195930649
BaseRepresentation
bin1000001100010…
…00001000110010
311210022002100011
410012020020302
5120042340213
610452445134
71463032306
oct406101062
9153262304
1068715058
1135873705
121b0197aa
131130b9c9
1491a9d06
15607503d
hex4188232

68715058 has 16 divisors (see below), whose sum is σ = 110340000. Its totient is φ = 31996512.

The previous prime is 68715043. The next prime is 68715089. The reversal of 68715058 is 85051786.

It is a self number, because there is not a number n which added to its sum of digits gives 68715058.

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, 13083 + ... + 17566.

It is an arithmetic number, because the mean of its divisors is an integer number (6896250).

Almost surely, 268715058 is an apocalyptic number.

68715058 is a deficient number, since it is larger than the sum of its proper divisors (41624942).

68715058 is a wasteful number, since it uses less digits than its factorization.

68715058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30729.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 68715058 is about 8289.4546262103. The cubic root of 68715058 is about 409.5912205722.

The spelling of 68715058 in words is "sixty-eight million, seven hundred fifteen thousand, fifty-eight".

Divisors: 1 2 19 38 59 118 1121 2242 30649 61298 582331 1164662 1808291 3616582 34357529 68715058