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138026360 = 2353450659
BaseRepresentation
bin10000011101000…
…01110101111000
3100121201110120102
420032201311320
5240313320420
621410214532
73264130133
oct1016416570
9317643512
10138026360
1170a0427a
123a284448
1322798c04
141448d21a
15c1b6a75
hex83a1d78

138026360 has 16 divisors (see below), whose sum is σ = 310559400. Its totient is φ = 55210528.

The previous prime is 138026333. The next prime is 138026389. The reversal of 138026360 is 63620831.

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 3 ways as a sum of consecutive naturals, for example, 1725290 + ... + 1725369.

Almost surely, 2138026360 is an apocalyptic number.

138026360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138026360 is an abundant number, since it is smaller than the sum of its proper divisors (172533040).

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

138026360 is a wasteful number, since it uses less digits than its factorization.

138026360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450670 (or 3450666 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 138026360 is about 11748.4620270059. The cubic root of 138026360 is about 516.7978263383.

The spelling of 138026360 in words is "one hundred thirty-eight million, twenty-six thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 3450659 6901318 13802636 17253295 27605272 34506590 69013180 138026360