Base | Representation |
---|---|
bin | 1111100100000… |
… | …01100010101001 |
3 | 100002122211110021 |
4 | 13302001202221 |
5 | 231410212100 |
6 | 20542120441 |
7 | 3143455660 |
oct | 762014251 |
9 | 302584407 |
10 | 130554025 |
11 | 67770198 |
12 | 37880121 |
13 | 21080a04 |
14 | 134a5dd7 |
15 | b6dca1a |
hex | 7c818a9 |
130554025 has 12 divisors (see below), whose sum is σ = 185013952. Its totient is φ = 89522640.
The previous prime is 130554007. The next prime is 130554037. The reversal of 130554025 is 520455031.
It is not a de Polignac number, because 130554025 - 29 = 130553513 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372837 + ... + 373186.
Almost surely, 2130554025 is an apocalyptic number.
It is an amenable number.
130554025 is a deficient number, since it is larger than the sum of its proper divisors (54459927).
130554025 is an equidigital number, since it uses as much as digits as its factorization.
130554025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 746040 (or 746035 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 130554025 is about 11426.0240241302. The cubic root of 130554025 is about 507.2983174604.
The spelling of 130554025 in words is "one hundred thirty million, five hundred fifty-four thousand, twenty-five".
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