Base | Representation |
---|---|
bin | 1111100010111… |
… | …11000000000100 |
3 | 100002101122101101 |
4 | 13301133000010 |
5 | 231341200143 |
6 | 20535105444 |
7 | 3142326340 |
oct | 761370004 |
9 | 302348341 |
10 | 130412548 |
11 | 67683972 |
12 | 37812284 |
13 | 210314b6 |
14 | 1346a620 |
15 | b6b0b4d |
hex | 7c5f004 |
130412548 has 24 divisors (see below), whose sum is σ = 262584000. Its totient is φ = 55514208.
The previous prime is 130412543. The next prime is 130412573. The reversal of 130412548 is 845214031.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is not an unprimeable number, because it can be changed into a prime (130412543) 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, 11458 + ... + 19801.
It is an arithmetic number, because the mean of its divisors is an integer number (10941000).
Almost surely, 2130412548 is an apocalyptic number.
It is an amenable number.
130412548 is an abundant number, since it is smaller than the sum of its proper divisors (132171452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130412548 is a wasteful number, since it uses less digits than its factorization.
130412548 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31419 (or 31417 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 28.
The square root of 130412548 is about 11419.8313472660. The cubic root of 130412548 is about 507.1150038604.
Adding to 130412548 its reverse (845214031), we get a palindrome (975626579).
The spelling of 130412548 in words is "one hundred thirty million, four hundred twelve thousand, five hundred forty-eight".
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