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30937404 = 2232578117
BaseRepresentation
bin111011000000…
…1000100111100
32011012210010210
41312001010330
530404444104
63023032420
7523651341
oct166010474
964183123
1030937404
1116510803
12a43b710
136542874
1441747c8
152ab1989
hex1d8113c

30937404 has 12 divisors (see below), whose sum is σ = 72187304. Its totient is φ = 10312464.

The previous prime is 30937397. The next prime is 30937409. The reversal of 30937404 is 40473903.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30937409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289047 + ... + 1289070.

Almost surely, 230937404 is an apocalyptic number.

It is an amenable number.

30937404 is an abundant number, since it is smaller than the sum of its proper divisors (41249900).

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

30937404 is a wasteful number, since it uses less digits than its factorization.

30937404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578124 (or 2578122 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 30937404 is about 5562.1402355568. The cubic root of 30937404 is about 313.9264842025.

The spelling of 30937404 in words is "thirty million, nine hundred thirty-seven thousand, four hundred four".

Divisors: 1 2 3 4 6 12 2578117 5156234 7734351 10312468 15468702 30937404