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68425698 = 23118312491
BaseRepresentation
bin1000001010000…
…01011111100010
311202202101102010
410011001133202
5120004110243
610442333350
71460415555
oct405013742
9152671363
1068425698
1135696270
121aaba256
131123a0a3
14913269c
156019433
hex41417e2

68425698 has 32 divisors (see below), whose sum is σ = 151103232. Its totient is φ = 20483600.

The previous prime is 68425661. The next prime is 68425699. The reversal of 68425698 is 89652486.

It is a happy number.

It is a super-2 number, since 2×684256982 = 9364152293574408, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68425699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768 + ... + 11723.

It is an arithmetic number, because the mean of its divisors is an integer number (4721976).

Almost surely, 268425698 is an apocalyptic number.

68425698 is an abundant number, since it is smaller than the sum of its proper divisors (82677534).

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

68425698 is a wasteful number, since it uses less digits than its factorization.

68425698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12590.

The product of its digits is 829440, while the sum is 48.

The square root of 68425698 is about 8271.9827127479. The cubic root of 68425698 is about 409.0154803513.

The spelling of 68425698 in words is "sixty-eight million, four hundred twenty-five thousand, six hundred ninety-eight".

Divisors: 1 2 3 6 11 22 33 66 83 166 249 498 913 1826 2739 5478 12491 24982 37473 74946 137401 274802 412203 824406 1036753 2073506 3110259 6220518 11404283 22808566 34212849 68425698