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38431164 = 22343711049
BaseRepresentation
bin1001001010011…
…0100110111100
32200022111122110
42102212212330
534314244124
63451414020
7644442132
oct222464674
980274573
1038431164
111a7699a2
1210a54310
137c67745
145165752
153592029
hex24a69bc

38431164 has 48 divisors (see below), whose sum is σ = 93139200. Its totient is φ = 12324480.

The previous prime is 38431157. The next prime is 38431171. The reversal of 38431164 is 46113483.

38431164 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 (38431157) and next prime (38431171).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36112 + ... + 37160.

It is an arithmetic number, because the mean of its divisors is an integer number (1940400).

Almost surely, 238431164 is an apocalyptic number.

It is an amenable number.

38431164 is an abundant number, since it is smaller than the sum of its proper divisors (54708036).

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

38431164 is a wasteful number, since it uses less digits than its factorization.

38431164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170 (or 1168 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 38431164 is about 6199.2873784008. The cubic root of 38431164 is about 337.4643078853.

The spelling of 38431164 in words is "thirty-eight million, four hundred thirty-one thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 43 71 86 129 142 172 213 258 284 426 516 852 1049 2098 3053 3147 4196 6106 6294 9159 12212 12588 18318 36636 45107 74479 90214 135321 148958 180428 223437 270642 297916 446874 541284 893748 3202597 6405194 9607791 12810388 19215582 38431164