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930139836 = 223174559509
BaseRepresentation
bin110111011100001…
…100111010111100
32101211012222222120
4313130030322330
53401103433321
6232144042540
732023025643
oct6734147274
92354188876
10930139836
1143804890a
1221b603450
1311a91a202
148b76435a
15569d1ec6
hex3770cebc

930139836 has 24 divisors (see below), whose sum is σ = 2297993040. Its totient is φ = 291808512.

The previous prime is 930139829. The next prime is 930139871. The reversal of 930139836 is 638931039.

It is a super-2 number, since 2×9301398362 = 1730320229028213792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2279551 + ... + 2279958.

It is an arithmetic number, because the mean of its divisors is an integer number (95749710).

Almost surely, 2930139836 is an apocalyptic number.

It is an amenable number.

930139836 is an abundant number, since it is smaller than the sum of its proper divisors (1367853204).

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

930139836 is a wasteful number, since it uses less digits than its factorization.

930139836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4559533 (or 4559531 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 930139836 is about 30498.1939793162. The cubic root of 930139836 is about 976.1489277689.

The spelling of 930139836 in words is "nine hundred thirty million, one hundred thirty-nine thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 4559509 9119018 13678527 18238036 27357054 54714108 77511653 155023306 232534959 310046612 465069918 930139836