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139873098 = 23193733161
BaseRepresentation
bin10000101011001…
…00101101001010
3100202012021211010
420111210231022
5241301414343
621513544350
73315621201
oct1025445512
9322167733
10139873098
1171a55802
123aa150b6
1322c94661
1414810238
15c42dd33
hex8564b4a

139873098 has 32 divisors (see below), whose sum is σ = 302437440. Its totient is φ = 42975360.

The previous prime is 139873091. The next prime is 139873103. The reversal of 139873098 is 890378931.

It is not an unprimeable number, because it can be changed into a prime (139873091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12363 + ... + 20798.

It is an arithmetic number, because the mean of its divisors is an integer number (9451170).

Almost surely, 2139873098 is an apocalyptic number.

139873098 is an abundant number, since it is smaller than the sum of its proper divisors (162564342).

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

139873098 is a wasteful number, since it uses less digits than its factorization.

139873098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33222.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 139873098 is about 11826.7957621665. The cubic root of 139873098 is about 519.0924727843.

The spelling of 139873098 in words is "one hundred thirty-nine million, eight hundred seventy-three thousand, ninety-eight".

Divisors: 1 2 3 6 19 37 38 57 74 111 114 222 703 1406 2109 4218 33161 66322 99483 198966 630059 1226957 1260118 1890177 2453914 3680871 3780354 7361742 23312183 46624366 69936549 139873098