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140960729 = 71312712197
BaseRepresentation
bin10000110011011…
…10001111011001
3100211020112202202
420121232033121
5242041220404
621553135545
73331101140
oct1031561731
9324215682
10140960729
1172628978
123b25a5b5
1323285720
1414a14757
15c59621e
hex866e3d9

140960729 has 16 divisors (see below), whose sum is σ = 174870528. Its totient is φ = 110642112.

The previous prime is 140960711. The next prime is 140960731. The reversal of 140960729 is 927069041.

It is a de Polignac number, because none of the positive numbers 2k-140960729 is a prime.

It is a super-2 number, since 2×1409607292 = 39739854240422882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140960692 and 140960701.

It is not an unprimeable number, because it can be changed into a prime (140960929) 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, 5459 + ... + 17655.

It is an arithmetic number, because the mean of its divisors is an integer number (10929408).

Almost surely, 2140960729 is an apocalyptic number.

It is an amenable number.

140960729 is a deficient number, since it is larger than the sum of its proper divisors (33909799).

140960729 is a wasteful number, since it uses less digits than its factorization.

140960729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12344.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 140960729 is about 11872.6883644775. The cubic root of 140960729 is about 520.4344606245.

The spelling of 140960729 in words is "one hundred forty million, nine hundred sixty thousand, seven hundred twenty-nine".

Divisors: 1 7 13 91 127 889 1651 11557 12197 85379 158561 1109927 1549019 10843133 20137247 140960729