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68392698 = 23111036253
BaseRepresentation
bin1000001001110…
…01011011111010
311202200201010220
410010321123322
5120002031243
610441520510
71460220423
oct404713372
9152621126
1068392698
11356734a0
121aaa3136
131122806a
14912464a
15600e783
hex41396fa

68392698 has 16 divisors (see below), whose sum is σ = 149220576. Its totient is φ = 20725040.

The previous prime is 68392697. The next prime is 68392699. The reversal of 68392698 is 89629386.

It is an interprime number because it is at equal distance from previous prime (68392697) and next prime (68392699).

It is a super-2 number, since 2×683926982 = 9355122279438408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68392698.

It is not an unprimeable number, because it can be changed into a prime (68392697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518061 + ... + 518192.

It is an arithmetic number, because the mean of its divisors is an integer number (9326286).

Almost surely, 268392698 is an apocalyptic number.

68392698 is an abundant number, since it is smaller than the sum of its proper divisors (80827878).

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

68392698 is a wasteful number, since it uses less digits than its factorization.

68392698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036269.

The product of its digits is 1119744, while the sum is 51.

The square root of 68392698 is about 8269.9877871736. The cubic root of 68392698 is about 408.9497171383.

The spelling of 68392698 in words is "sixty-eight million, three hundred ninety-two thousand, six hundred ninety-eight".

Divisors: 1 2 3 6 11 22 33 66 1036253 2072506 3108759 6217518 11398783 22797566 34196349 68392698