Base | Representation |
---|---|
bin | 10000101000000… |
… | …10011000110000 |
3 | 100201102211101210 |
4 | 20110002120300 |
5 | 241201023014 |
6 | 21501200120 |
7 | 3312323124 |
oct | 1024023060 |
9 | 321384353 |
10 | 139470384 |
11 | 71800189 |
12 | 3a860040 |
13 | 22b83271 |
14 | 14747584 |
15 | c39e859 |
hex | 8502630 |
139470384 has 80 divisors (see below), whose sum is σ = 367976448. Its totient is φ = 45513216.
The previous prime is 139470379. The next prime is 139470403. The reversal of 139470384 is 483074931.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 835069 + ... + 835235.
Almost surely, 2139470384 is an apocalyptic number.
It is an amenable number.
139470384 is an abundant number, since it is smaller than the sum of its proper divisors (228506064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139470384 is a wasteful number, since it uses less digits than its factorization.
139470384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 442 (or 436 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 39.
The square root of 139470384 is about 11809.7579992140. The cubic root of 139470384 is about 518.5938142275.
The spelling of 139470384 in words is "one hundred thirty-nine million, four hundred seventy thousand, three hundred eighty-four".
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