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138000954 = 23721336107
BaseRepresentation
bin10000011100110…
…11101000111010
3100121200011201110
420032123220322
5240312012304
621405501150
73263663100
oct1016335072
9317604643
10138000954
1170997183
123a2717b6
132278a490
1414483c70
15c1ae289
hex839ba3a

138000954 has 48 divisors (see below), whose sum is σ = 345770208. Its totient is φ = 36394848.

The previous prime is 138000953. The next prime is 138000979. The reversal of 138000954 is 459000831.

138000954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (138000953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14232 + ... + 21875.

It is an arithmetic number, because the mean of its divisors is an integer number (7203546).

Almost surely, 2138000954 is an apocalyptic number.

138000954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

138000954 is an abundant number, since it is smaller than the sum of its proper divisors (207769254).

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

138000954 is a wasteful number, since it uses less digits than its factorization.

138000954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36139 (or 36132 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 138000954 is about 11747.3807293371. The cubic root of 138000954 is about 516.7661160398.

The spelling of 138000954 in words is "one hundred thirty-eight million, nine hundred fifty-four", and thus it is an aban number.

Divisors: 1 2 3 6 7 13 14 21 26 39 42 49 78 91 98 147 182 273 294 546 637 1274 1911 3822 36107 72214 108321 216642 252749 469391 505498 758247 938782 1408173 1516494 1769243 2816346 3285737 3538486 5307729 6571474 9857211 10615458 19714422 23000159 46000318 69000477 138000954