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68851734 = 2371796431
BaseRepresentation
bin1000001101010…
…01100000010110
311210120000211020
410012221200112
5120111223414
610455422010
71464141630
oct406514026
9153500736
1068851734
1135957366
121b084906
1311358c93
149203a50
1560a07a9
hex41a9816

68851734 has 32 divisors (see below), whose sum is σ = 166634496. Its totient is φ = 18514560.

The previous prime is 68851723. The next prime is 68851747. The reversal of 68851734 is 43715886.

It is a super-2 number, since 2×688517342 = 9481122549613512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47502 + ... + 48929.

It is an arithmetic number, because the mean of its divisors is an integer number (5207328).

Almost surely, 268851734 is an apocalyptic number.

68851734 is an abundant number, since it is smaller than the sum of its proper divisors (97782762).

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

68851734 is a wasteful number, since it uses less digits than its factorization.

68851734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96460.

The product of its digits is 161280, while the sum is 42.

The square root of 68851734 is about 8297.6944990762. The cubic root of 68851734 is about 409.8626031783.

It can be divided in two parts, 688517 and 34, that added together give a triangular number (688551 = T1173).

The spelling of 68851734 in words is "sixty-eight million, eight hundred fifty-one thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 357 714 96431 192862 289293 578586 675017 1350034 1639327 2025051 3278654 4050102 4917981 9835962 11475289 22950578 34425867 68851734