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139380895 = 555750047
BaseRepresentation
bin10000100111011…
…00100010011111
3100201021021122101
420103230202133
5241140142040
621455225531
73311501203
oct1023544237
9321237571
10139380895
1171749a25
123a8182a7
1322b51604
1414722b03
15c38309a
hex84ec89f

139380895 has 8 divisors (see below), whose sum is σ = 167560704. Its totient is φ = 111302304.

The previous prime is 139380889. The next prime is 139380911. The reversal of 139380895 is 598083931.

139380895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 139380895 - 211 = 139378847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22239 + ... + 27808.

It is an arithmetic number, because the mean of its divisors is an integer number (20945088).

Almost surely, 2139380895 is an apocalyptic number.

139380895 is a deficient number, since it is larger than the sum of its proper divisors (28179809).

139380895 is an equidigital number, since it uses as much as digits as its factorization.

139380895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50609.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 139380895 is about 11805.9686176103. The cubic root of 139380895 is about 518.4828746149.

The spelling of 139380895 in words is "one hundred thirty-nine million, three hundred eighty thousand, eight hundred ninety-five".

Divisors: 1 5 557 2785 50047 250235 27876179 139380895