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139359672 = 23324394409
BaseRepresentation
bin10000100111001…
…11010110111000
3100201020012112100
420103213112320
5241134002142
621454543400
73311352264
oct1023472670
9321205470
10139359672
1171734a91
123a807b60
1322b44a5a
14147190a4
15c37bb4c
hex84e75b8

139359672 has 48 divisors (see below), whose sum is σ = 378378000. Its totient is φ = 46336896.

The previous prime is 139359667. The next prime is 139359677. The reversal of 139359672 is 276953931.

139359672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (139359667) and next prime (139359677).

It is a super-2 number, since 2×1393596722 = 38842236359895168, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

Its product of digits (306180) is a multiple of the sum of its prime factors (4860).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139359677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29404 + ... + 33812.

It is an arithmetic number, because the mean of its divisors is an integer number (7882875).

Almost surely, 2139359672 is an apocalyptic number.

139359672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139359672 is an abundant number, since it is smaller than the sum of its proper divisors (239018328).

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

139359672 is a wasteful number, since it uses less digits than its factorization.

139359672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4860 (or 4853 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 139359672 is about 11805.0697583708. The cubic root of 139359672 is about 518.4565574725.

The spelling of 139359672 in words is "one hundred thirty-nine million, three hundred fifty-nine thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 439 878 1317 1756 2634 3512 3951 4409 5268 7902 8818 10536 13227 15804 17636 26454 31608 35272 39681 52908 79362 105816 158724 317448 1935551 3871102 5806653 7742204 11613306 15484408 17419959 23226612 34839918 46453224 69679836 139359672