Base | Representation |
---|---|
bin | 1111100010110… |
… | …01101100111010 |
3 | 100002100112121110 |
4 | 13301121230322 |
5 | 231340001332 |
6 | 20534421150 |
7 | 3142206141 |
oct | 761315472 |
9 | 302315543 |
10 | 130390842 |
11 | 6766962a |
12 | 378017b6 |
13 | 2102465a |
14 | 13462758 |
15 | b6a94cc |
hex | 7c59b3a |
130390842 has 32 divisors (see below), whose sum is σ = 266499072. Its totient is φ = 42521264.
The previous prime is 130390823. The next prime is 130390859. The reversal of 130390842 is 248093031.
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, 52063 + ... + 54509.
It is an arithmetic number, because the mean of its divisors is an integer number (8328096).
Almost surely, 2130390842 is an apocalyptic number.
130390842 is an abundant number, since it is smaller than the sum of its proper divisors (136108230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130390842 is a wasteful number, since it uses less digits than its factorization.
130390842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2642.
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 130390842 is about 11418.8809434200. The cubic root of 130390842 is about 507.0868673832.
The spelling of 130390842 in words is "one hundred thirty million, three hundred ninety thousand, eight hundred forty-two".
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