Base | Representation |
---|---|
bin | 10000101000111… |
… | …01000000000000 |
3 | 100201122100221010 |
4 | 20110131000000 |
5 | 241213020032 |
6 | 21503400520 |
7 | 3313256001 |
oct | 1024350000 |
9 | 321570833 |
10 | 139579392 |
11 | 71875077 |
12 | 3a8b3140 |
13 | 22bc0a74 |
14 | 147751a8 |
15 | c3c1ccc |
hex | 851d000 |
139579392 has 104 divisors (see below), whose sum is σ = 383469856. Its totient is φ = 45121536.
The previous prime is 139579381. The next prime is 139579439. The reversal of 139579392 is 293975931.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454503 + ... + 454809.
Almost surely, 2139579392 is an apocalyptic number.
139579392 is a gapful number since it is divisible by the number (12) 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 139579392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191734928).
139579392 is an abundant number, since it is smaller than the sum of its proper divisors (243890464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139579392 is an equidigital number, since it uses as much as digits as its factorization.
139579392 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 371 (or 349 counting only the distinct ones).
The product of its digits is 459270, while the sum is 48.
The square root of 139579392 is about 11814.3722643228. The cubic root of 139579392 is about 518.7288874748.
The spelling of 139579392 in words is "one hundred thirty-nine million, five hundred seventy-nine thousand, three hundred ninety-two".
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