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68696859 = 3711833583
BaseRepresentation
bin1000001100000…
…11101100011011
311210021011101010
410012003230123
5120041244414
610452225003
71462625250
oct406035433
9153234333
1068696859
1135860a70
121b00b163
131130363a
1491a3427
15606e959
hex4183b1b

68696859 has 32 divisors (see below), whose sum is σ = 115605504. Its totient is φ = 35246880.

The previous prime is 68696857. The next prime is 68696863. The reversal of 68696859 is 95869686.

It is not a de Polignac number, because 68696859 - 21 = 68696857 is a prime.

It is a super-3 number, since 3×686968593 (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68696799 and 68696808.

It is not an unprimeable number, because it can be changed into a prime (68696857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17382 + ... + 20964.

It is an arithmetic number, because the mean of its divisors is an integer number (3612672).

Almost surely, 268696859 is an apocalyptic number.

68696859 is a deficient number, since it is larger than the sum of its proper divisors (46908645).

68696859 is a wasteful number, since it uses less digits than its factorization.

68696859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687.

The product of its digits is 5598720, while the sum is 57.

The square root of 68696859 is about 8288.3568335346. The cubic root of 68696859 is about 409.5550576650. Note that the first 3 decimals are identical.

The spelling of 68696859 in words is "sixty-eight million, six hundred ninety-six thousand, eight hundred fifty-nine".

Divisors: 1 3 7 11 21 33 77 83 231 249 581 913 1743 2739 3583 6391 10749 19173 25081 39413 75243 118239 275891 297389 827673 892167 2081723 3271279 6245169 9813837 22898953 68696859