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30937056 = 253322261
BaseRepresentation
bin111011000000…
…0111111100000
32011012202122220
41312000333200
530404441211
63023031040
7523650333
oct166007740
964182586
1030937056
1116510517
12a43b480
136542667
14417461a
152ab1806
hex1d80fe0

30937056 has 24 divisors (see below), whose sum is σ = 81210024. Its totient is φ = 10312320.

The previous prime is 30937051. The next prime is 30937057. The reversal of 30937056 is 65073903.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30937051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161035 + ... + 161226.

It is an arithmetic number, because the mean of its divisors is an integer number (3383751).

Almost surely, 230937056 is an apocalyptic number.

It is an amenable number.

30937056 is an abundant number, since it is smaller than the sum of its proper divisors (50272968).

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

30937056 is a wasteful number, since it uses less digits than its factorization.

30937056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322274 (or 322266 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 33.

The square root of 30937056 is about 5562.1089525467. The cubic root of 30937056 is about 313.9253071287.

The spelling of 30937056 in words is "thirty million, nine hundred thirty-seven thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 322261 644522 966783 1289044 1933566 2578088 3867132 5156176 7734264 10312352 15468528 30937056