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139154024 = 2319915487
BaseRepresentation
bin10000100101101…
…01001001101000
3100200211202102202
420102311021220
5241110412044
621450315332
73306534602
oct1022651150
9320752382
10139154024
1171604529
123a728b48
1322aa2279
14146a4172
15c33ac4e
hex84b5268

139154024 has 16 divisors (see below), whose sum is σ = 274646400. Its totient is φ = 65914992.

The previous prime is 139154021. The next prime is 139154033. The reversal of 139154024 is 420451931.

It is not an unprimeable number, because it can be changed into a prime (139154021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457592 + ... + 457895.

It is an arithmetic number, because the mean of its divisors is an integer number (17165400).

Almost surely, 2139154024 is an apocalyptic number.

It is an amenable number.

139154024 is a deficient number, since it is larger than the sum of its proper divisors (135492376).

139154024 is a wasteful number, since it uses less digits than its factorization.

139154024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915512 (or 915508 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 139154024 is about 11796.3563866136. The cubic root of 139154024 is about 518.2014094312.

The spelling of 139154024 in words is "one hundred thirty-nine million, one hundred fifty-four thousand, twenty-four".

Divisors: 1 2 4 8 19 38 76 152 915487 1830974 3661948 7323896 17394253 34788506 69577012 139154024