Base | Representation |
---|---|
bin | 1111100011110… |
… | …01010010111100 |
3 | 100002121010010102 |
4 | 13301321102330 |
5 | 231403122002 |
6 | 20541300232 |
7 | 3143255342 |
oct | 761712274 |
9 | 302533112 |
10 | 130520252 |
11 | 67747885 |
12 | 37864678 |
13 | 2106b525 |
14 | 13497992 |
15 | b6d2a02 |
hex | 7c794bc |
130520252 has 6 divisors (see below), whose sum is σ = 228410448. Its totient is φ = 65260124.
The previous prime is 130520249. The next prime is 130520263. The reversal of 130520252 is 252025031.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16315028 + ... + 16315035.
It is an arithmetic number, because the mean of its divisors is an integer number (38068408).
Almost surely, 2130520252 is an apocalyptic number.
It is an amenable number.
130520252 is a deficient number, since it is larger than the sum of its proper divisors (97890196).
130520252 is a wasteful number, since it uses less digits than its factorization.
130520252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32630067 (or 32630065 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 20.
The square root of 130520252 is about 11424.5460303681. The cubic root of 130520252 is about 507.2545693807.
Adding to 130520252 its reverse (252025031), we get a palindrome (382545283).
The spelling of 130520252 in words is "one hundred thirty million, five hundred twenty thousand, two hundred fifty-two".
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