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139042700 = 22529531459
BaseRepresentation
bin10000100100110…
…01111110001100
3100200122002201122
420102121332030
5241043331300
621444100112
73305562206
oct1022317614
9320562648
10139042700
1171538925
123a694638
1322a636b4
1414675776
15c317c85
hex8499f8c

139042700 has 36 divisors (see below), whose sum is σ = 302246280. Its totient is φ = 55520640.

The previous prime is 139042669. The next prime is 139042723. The reversal of 139042700 is 7240931.

It is a self number, because there is not a number n which added to its sum of digits gives 139042700.

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 11 ways as a sum of consecutive naturals, for example, 94571 + ... + 96029.

It is an arithmetic number, because the mean of its divisors is an integer number (8395730).

Almost surely, 2139042700 is an apocalyptic number.

139042700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139042700 is an abundant number, since it is smaller than the sum of its proper divisors (163203580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139042700 is a wasteful number, since it uses less digits than its factorization.

139042700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426 (or 2419 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 139042700 is about 11791.6368668646. The cubic root of 139042700 is about 518.0631845527.

The spelling of 139042700 in words is "one hundred thirty-nine million, forty-two thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 953 1459 1906 2918 3812 4765 5836 7295 9530 14590 19060 23825 29180 36475 47650 72950 95300 145900 1390427 2780854 5561708 6952135 13904270 27808540 34760675 69521350 139042700