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38700138 = 236796269
BaseRepresentation
bin1001001110100…
…0010001101010
32200211011121110
42103220101222
534401401023
63501251150
7646642251
oct223502152
980734543
1038700138
111a932a94
1210b63ab6
13802ccb9
1451d5798
1535e6a93
hex24e846a

38700138 has 16 divisors (see below), whose sum is σ = 78556320. Its totient is φ = 12707376.

The previous prime is 38700083. The next prime is 38700139. The reversal of 38700138 is 83100783.

It is not an unprimeable number, because it can be changed into a prime (38700139) 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 7 ways as a sum of consecutive naturals, for example, 47733 + ... + 48536.

It is an arithmetic number, because the mean of its divisors is an integer number (4909770).

Almost surely, 238700138 is an apocalyptic number.

38700138 is an abundant number, since it is smaller than the sum of its proper divisors (39856182).

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

38700138 is a wasteful number, since it uses less digits than its factorization.

38700138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96341.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 38700138 is about 6220.9434975733. The cubic root of 38700138 is about 338.2497657882.

The spelling of 38700138 in words is "thirty-eight million, seven hundred thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 67 134 201 402 96269 192538 288807 577614 6450023 12900046 19350069 38700138