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38906412 = 22347101683
BaseRepresentation
bin1001010001101…
…0101000101100
32201012122120020
42110122220230
534430001122
63505522140
7651461526
oct224325054
981178506
1038906412
111aa63a66
1211043350
1380a2b5c
14524aa16
153637c5c
hex251aa2c

38906412 has 48 divisors (see below), whose sum is σ = 93768192. Its totient is φ = 12548800.

The previous prime is 38906407. The next prime is 38906419. The reversal of 38906412 is 21460983.

It is not an unprimeable number, because it can be changed into a prime (38906419) 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 15 ways as a sum of consecutive naturals, for example, 56623 + ... + 57305.

It is an arithmetic number, because the mean of its divisors is an integer number (1953504).

Almost surely, 238906412 is an apocalyptic number.

It is an amenable number.

38906412 is an abundant number, since it is smaller than the sum of its proper divisors (54861780).

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

38906412 is a wasteful number, since it uses less digits than its factorization.

38906412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 38906412 is about 6237.5004609218. The cubic root of 38906412 is about 338.8496648960.

The spelling of 38906412 in words is "thirty-eight million, nine hundred six thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 47 94 101 141 188 202 282 303 404 564 606 683 1212 1366 2049 2732 4098 4747 8196 9494 14241 18988 28482 32101 56964 64202 68983 96303 128404 137966 192606 206949 275932 385212 413898 827796 3242201 6484402 9726603 12968804 19453206 38906412