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137889458 = 279849247
BaseRepresentation
bin10000011100000…
…00011010110010
3100121110111202222
420032000122302
5240244430313
621403241042
73263020040
oct1016003262
9317414688
10137889458
1170920433
123a219182
132274b7c5
1414455390
15c18b208
hex83806b2

137889458 has 8 divisors (see below), whose sum is σ = 236381952. Its totient is φ = 59095476.

The previous prime is 137889443. The next prime is 137889467. The reversal of 137889458 is 854988731.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4924610 + ... + 4924637.

It is an arithmetic number, because the mean of its divisors is an integer number (29547744).

Almost surely, 2137889458 is an apocalyptic number.

137889458 is a deficient number, since it is larger than the sum of its proper divisors (98492494).

137889458 is an equidigital number, since it uses as much as digits as its factorization.

137889458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9849256.

The product of its digits is 1935360, while the sum is 53.

The square root of 137889458 is about 11742.6342019157. The cubic root of 137889458 is about 516.6269071497.

The spelling of 137889458 in words is "one hundred thirty-seven million, eight hundred eighty-nine thousand, four hundred fifty-eight".

Divisors: 1 2 7 14 9849247 19698494 68944729 137889458