Base | Representation |
---|---|
bin | 1111100010111… |
… | …01000000110000 |
3 | 100002101020012121 |
4 | 13301131000300 |
5 | 231340420100 |
6 | 20535004024 |
7 | 3142263520 |
oct | 761350060 |
9 | 302336177 |
10 | 130404400 |
11 | 67678835 |
12 | 37809614 |
13 | 2102a889 |
14 | 13467680 |
15 | b6ad51a |
hex | 7c5d030 |
130404400 has 60 divisors (see below), whose sum is σ = 358060912. Its totient is φ = 44709120.
The previous prime is 130404361. The next prime is 130404403. The reversal of 130404400 is 4404031.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is not an unprimeable number, because it can be changed into a prime (130404403) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20487 + ... + 26086.
Almost surely, 2130404400 is an apocalyptic number.
130404400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130404400 is an abundant number, since it is smaller than the sum of its proper divisors (227656512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130404400 is a wasteful number, since it uses less digits than its factorization.
130404400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46598 (or 46587 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 130404400 is about 11419.4745938681. The cubic root of 130404400 is about 507.1044423534.
Adding to 130404400 its reverse (4404031), we get a palindrome (134808431).
The spelling of 130404400 in words is "one hundred thirty million, four hundred four thousand, four hundred".
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