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140364679 = 7131639463
BaseRepresentation
bin10000101110111…
…00101110000111
3100210010021010211
420113130232013
5241413132204
621532300251
73323036320
oct1027345607
9323107124
10140364679
1172261074
123b011687
1323107330
14148db447
15c4c9804
hex85dcb87

140364679 has 16 divisors (see below), whose sum is σ = 173834752. Its totient is φ = 110364768.

The previous prime is 140364677. The next prime is 140364691. The reversal of 140364679 is 976463041.

It is a cyclic number.

It is not a de Polignac number, because 140364679 - 21 = 140364677 is a prime.

It is a super-2 number, since 2×1403646792 = 39404486221546082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140364671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10102 + ... + 19564.

It is an arithmetic number, because the mean of its divisors is an integer number (10864672).

Almost surely, 2140364679 is an apocalyptic number.

140364679 is a deficient number, since it is larger than the sum of its proper divisors (33470073).

140364679 is a wasteful number, since it uses less digits than its factorization.

140364679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9646.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 140364679 is about 11847.5600441610. The cubic root of 140364679 is about 519.6998748889.

The spelling of 140364679 in words is "one hundred forty million, three hundred sixty-four thousand, six hundred seventy-nine".

Divisors: 1 7 13 91 163 1141 2119 9463 14833 66241 123019 861133 1542469 10797283 20052097 140364679