Base | Representation |
---|---|
bin | 1111100011001… |
… | …01110100011000 |
3 | 100002110001200121 |
4 | 13301211310120 |
5 | 231343043342 |
6 | 20535443024 |
7 | 3142503631 |
oct | 761456430 |
9 | 302401617 |
10 | 130440472 |
11 | 676a2948 |
12 | 37826474 |
13 | 21041116 |
14 | 13476888 |
15 | b6b9067 |
hex | 7c65d18 |
130440472 has 16 divisors (see below), whose sum is σ = 257448600. Its totient is φ = 61787520.
The previous prime is 130440407. The next prime is 130440487. The reversal of 130440472 is 274044031.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428929 + ... + 429232.
Almost surely, 2130440472 is an apocalyptic number.
It is an amenable number.
130440472 is a deficient number, since it is larger than the sum of its proper divisors (127008128).
130440472 is a wasteful number, since it uses less digits than its factorization.
130440472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 858186 (or 858182 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 25.
The square root of 130440472 is about 11421.0538918263. The cubic root of 130440472 is about 507.1511958501.
The spelling of 130440472 in words is "one hundred thirty million, four hundred forty thousand, four hundred seventy-two".
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