Base | Representation |
---|---|
bin | 10000101000110… |
… | …11101110010000 |
3 | 100201122002202100 |
4 | 20110123232100 |
5 | 241212333120 |
6 | 21503320400 |
7 | 3313234515 |
oct | 1024335620 |
9 | 321562670 |
10 | 139574160 |
11 | 71871150 |
12 | 3a8b0100 |
13 | 22bbb57b |
14 | 1477330c |
15 | c3c0490 |
hex | 851bb90 |
139574160 has 120 divisors (see below), whose sum is σ = 511377984. Its totient is φ = 33834240.
The previous prime is 139574153. The next prime is 139574177. The reversal of 139574160 is 61475931.
It is a tau number, because it is divible by the number of its divisors (120).
It is a super-2 number, since 2×1395741602 = 38961892279411200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 892 + ... + 16731.
Almost surely, 2139574160 is an apocalyptic number.
139574160 is a gapful number since it is divisible by the number (10) 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 139574160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255688992).
139574160 is an abundant number, since it is smaller than the sum of its proper divisors (371803824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139574160 is a wasteful number, since it uses less digits than its factorization.
139574160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17653 (or 17644 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 36.
The square root of 139574160 is about 11814.1508370259. The cubic root of 139574160 is about 518.7224060418.
The spelling of 139574160 in words is "one hundred thirty-nine million, five hundred seventy-four thousand, one hundred sixty".
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