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138285004 = 2211131714221
BaseRepresentation
bin10000011111000…
…00111111001100
3100122012121100211
420033200333030
5240400110004
621415532204
73266255164
oct1017407714
9318177324
10138285004
1171070630
123a38a064
1322859860
14145195a4
15c218504
hex83e0fcc

138285004 has 48 divisors (see below), whose sum is σ = 301051296. Its totient is φ = 54604800.

The previous prime is 138284999. The next prime is 138285011. The reversal of 138285004 is 400582831.

138285004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2614 + ... + 16834.

It is an arithmetic number, because the mean of its divisors is an integer number (6271902).

Almost surely, 2138285004 is an apocalyptic number.

It is an amenable number.

138285004 is an abundant number, since it is smaller than the sum of its proper divisors (162766292).

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

138285004 is a wasteful number, since it uses less digits than its factorization.

138285004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14266 (or 14264 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 138285004 is about 11759.4644435876. The cubic root of 138285004 is about 517.1204295771.

The spelling of 138285004 in words is "one hundred thirty-eight million, two hundred eighty-five thousand, four".

Divisors: 1 2 4 11 13 17 22 26 34 44 52 68 143 187 221 286 374 442 572 748 884 2431 4862 9724 14221 28442 56884 156431 184873 241757 312862 369746 483514 625724 739492 967028 2033603 2659327 3142841 4067206 5318654 6285682 8134412 10637308 12571364 34571251 69142502 138285004