Base | Representation |
---|---|
bin | 1111100010100… |
… | …01101001000100 |
3 | 100002021212022201 |
4 | 13301101221010 |
5 | 231332422303 |
6 | 20534004244 |
7 | 3142010656 |
oct | 761215104 |
9 | 302255281 |
10 | 130357828 |
11 | 67646847 |
12 | 377a6684 |
13 | 21012613 |
14 | 134546d6 |
15 | b69e81d |
hex | 7c51a44 |
130357828 has 6 divisors (see below), whose sum is σ = 228126206. Its totient is φ = 65178912.
The previous prime is 130357823. The next prime is 130357831. The reversal of 130357828 is 828753031.
It can be written as a sum of positive squares in only one way, i.e., 71098624 + 59259204 = 8432^2 + 7698^2 .
It is not an unprimeable number, because it can be changed into a prime (130357823) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16294725 + ... + 16294732.
Almost surely, 2130357828 is an apocalyptic number.
It is an amenable number.
130357828 is a deficient number, since it is larger than the sum of its proper divisors (97768378).
130357828 is a wasteful number, since it uses less digits than its factorization.
130357828 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32589461 (or 32589459 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 37.
The square root of 130357828 is about 11417.4352636658. The cubic root of 130357828 is about 507.0440668852.
The spelling of 130357828 in words is "one hundred thirty million, three hundred fifty-seven thousand, eight hundred twenty-eight".
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