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68150364 = 22341138517
BaseRepresentation
bin1000000111111…
…10010001011100
311202020101201120
410003332101130
5114421302424
610432410540
71455161052
oct403762134
9152211646
1068150364
1135518417
121a9a6a50
1311171979
1490a01d2
155eb2a79
hex40fe45c

68150364 has 24 divisors (see below), whose sum is σ = 162897168. Its totient is φ = 22162560.

The previous prime is 68150353. The next prime is 68150393. The reversal of 68150364 is 46305186.

It is a super-2 number, since 2×681503642 = 9288944226664992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68767 + ... + 69750.

It is an arithmetic number, because the mean of its divisors is an integer number (6787382).

Almost surely, 268150364 is an apocalyptic number.

It is an amenable number.

68150364 is an abundant number, since it is smaller than the sum of its proper divisors (94746804).

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

68150364 is a wasteful number, since it uses less digits than its factorization.

68150364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138565 (or 138563 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 68150364 is about 8255.3233734361. The cubic root of 68150364 is about 408.4661387077.

The spelling of 68150364 in words is "sixty-eight million, one hundred fifty thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 138517 277034 415551 554068 831102 1662204 5679197 11358394 17037591 22716788 34075182 68150364