Base | Representation |
---|---|
bin | 10000101000001… |
… | …10111000100100 |
3 | 100201110202200000 |
4 | 20110012320210 |
5 | 241202120204 |
6 | 21501421300 |
7 | 3312430620 |
oct | 1024067044 |
9 | 321422600 |
10 | 139488804 |
11 | 71813004 |
12 | 3a86a830 |
13 | 22b8b770 |
14 | 14750180 |
15 | c3a5039 |
hex | 8506e24 |
139488804 has 288 divisors, whose sum is σ = 479431680. Its totient is φ = 34432128.
The previous prime is 139488781. The next prime is 139488821. The reversal of 139488804 is 408884931.
It is a self number, because there is not a number n which added to its sum of digits gives 139488804.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1680547 + ... + 1680629.
Almost surely, 2139488804 is an apocalyptic number.
139488804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 139488804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239715840).
139488804 is an abundant number, since it is smaller than the sum of its proper divisors (339942876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139488804 is a wasteful number, since it uses less digits than its factorization.
139488804 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141 (or 127 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 45.
The square root of 139488804 is about 11810.5378370335. The cubic root of 139488804 is about 518.6166436323.
The spelling of 139488804 in words is "one hundred thirty-nine million, four hundred eighty-eight thousand, eight hundred four".
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