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30937742 = 2112635347
BaseRepresentation
bin111011000000…
…1001010001110
32011012210121022
41312001022032
530410001432
63023034142
7523652333
oct166011216
964183538
1030937742
1116510a90
12a43b952
136542a74
14417498a
152ab1b12
hex1d8128e

30937742 has 16 divisors (see below), whose sum is σ = 50827392. Its totient is φ = 14006520.

The previous prime is 30937727. The next prime is 30937759. The reversal of 30937742 is 24773903.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3113 + ... + 8459.

It is an arithmetic number, because the mean of its divisors is an integer number (3176712).

Almost surely, 230937742 is an apocalyptic number.

30937742 is a deficient number, since it is larger than the sum of its proper divisors (19889650).

30937742 is a wasteful number, since it uses less digits than its factorization.

30937742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5623.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 30937742 is about 5562.1706194614. The cubic root of 30937742 is about 313.9276274439.

The spelling of 30937742 in words is "thirty million, nine hundred thirty-seven thousand, seven hundred forty-two".

Divisors: 1 2 11 22 263 526 2893 5347 5786 10694 58817 117634 1406261 2812522 15468871 30937742