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139570982 = 2149468359
BaseRepresentation
bin10000101000110…
…10111100100110
3100201121221101122
420110122330212
5241212232412
621503253542
73313222325
oct1024327446
9321557348
10139570982
1171869821
123a8aa2b2
1322bb9ca5
14147720bc
15c3be572
hex851af26

139570982 has 8 divisors (see below), whose sum is σ = 210762000. Its totient is φ = 69316984.

The previous prime is 139570973. The next prime is 139571009. The reversal of 139570982 is 289075931.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 233882 + ... + 234477.

It is an arithmetic number, because the mean of its divisors is an integer number (26345250).

Almost surely, 2139570982 is an apocalyptic number.

139570982 is a deficient number, since it is larger than the sum of its proper divisors (71191018).

139570982 is a wasteful number, since it uses less digits than its factorization.

139570982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468510.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 139570982 is about 11814.0163365386. The cubic root of 139570982 is about 518.7184690372.

The spelling of 139570982 in words is "one hundred thirty-nine million, five hundred seventy thousand, nine hundred eighty-two".

Divisors: 1 2 149 298 468359 936718 69785491 139570982