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139846870 = 2513984687
BaseRepresentation
bin10000101010111…
…10010011010110
3100202010221211201
420111132103112
5241300044440
621513223114
73315451552
oct1025362326
9322127751
10139846870
1171a38029
123aa01a9a
1322c85737
1414804862
15c42619a
hex855e4d6

139846870 has 8 divisors (see below), whose sum is σ = 251724384. Its totient is φ = 55938744.

The previous prime is 139846867. The next prime is 139846873. The reversal of 139846870 is 78648931.

It is a happy number.

139846870 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (139846867) and next prime (139846873).

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

It is a self number, because there is not a number n which added to its sum of digits gives 139846870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139846873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6992334 + ... + 6992353.

It is an arithmetic number, because the mean of its divisors is an integer number (31465548).

Almost surely, 2139846870 is an apocalyptic number.

139846870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139846870 is a deficient number, since it is larger than the sum of its proper divisors (111877514).

139846870 is a wasteful number, since it uses less digits than its factorization.

139846870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13984694.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 139846870 is about 11825.6868722286. The cubic root of 139846870 is about 519.0600252571.

The spelling of 139846870 in words is "one hundred thirty-nine million, eight hundred forty-six thousand, eight hundred seventy".

Divisors: 1 2 5 10 13984687 27969374 69923435 139846870