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138101474 = 2710990499
BaseRepresentation
bin10000011101101…
…00001011100010
3100121212021121102
420032310023202
5240323221344
621411554402
73264562130
oct1016641342
9317767542
10138101474
1170a55755
123a2bba02
13227c4164
14144ac750
15c1cde4e
hex83b42e2

138101474 has 16 divisors (see below), whose sum is σ = 238920000. Its totient is φ = 58642704.

The previous prime is 138101413. The next prime is 138101479. The reversal of 138101474 is 474101831.

It is not an unprimeable number, because it can be changed into a prime (138101479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43724 + ... + 46775.

It is an arithmetic number, because the mean of its divisors is an integer number (14932500).

Almost surely, 2138101474 is an apocalyptic number.

138101474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

138101474 is a deficient number, since it is larger than the sum of its proper divisors (100818526).

138101474 is a wasteful number, since it uses less digits than its factorization.

138101474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90617.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 138101474 is about 11751.6583510584. The cubic root of 138101474 is about 516.8915565319.

The spelling of 138101474 in words is "one hundred thirty-eight million, one hundred one thousand, four hundred seventy-four".

Divisors: 1 2 7 14 109 218 763 1526 90499 180998 633493 1266986 9864391 19728782 69050737 138101474