Base | Representation |
---|---|
bin | 1111100101101… |
… | …10011000001100 |
3 | 100010001211022210 |
4 | 13302312120030 |
5 | 231434123234 |
6 | 20550510420 |
7 | 3145346640 |
oct | 762663014 |
9 | 303054283 |
10 | 130770444 |
11 | 678a8852 |
12 | 37965410 |
13 | 2112837c |
14 | 13520c20 |
15 | b731be9 |
hex | 7cb660c |
130770444 has 24 divisors (see below), whose sum is σ = 348721408. Its totient is φ = 37362960.
The previous prime is 130770421. The next prime is 130770449. The reversal of 130770444 is 444077031.
It is not an unprimeable number, because it can be changed into a prime (130770449) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778312 + ... + 778479.
Almost surely, 2130770444 is an apocalyptic number.
130770444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
130770444 is an abundant number, since it is smaller than the sum of its proper divisors (217950964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130770444 is a wasteful number, since it uses less digits than its factorization.
130770444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1556805 (or 1556803 counting only the distinct ones).
The product of its (nonzero) digits is 9408, while the sum is 30.
The square root of 130770444 is about 11435.4905447908. The cubic root of 130770444 is about 507.5784783229.
The spelling of 130770444 in words is "one hundred thirty million, seven hundred seventy thousand, four hundred forty-four".
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