Base | Representation |
---|---|
bin | 1111100011001… |
… | …10010011010100 |
3 | 100002110011101221 |
4 | 13301212103110 |
5 | 231343124302 |
6 | 20535500124 |
7 | 3142512460 |
oct | 761462324 |
9 | 302404357 |
10 | 130442452 |
11 | 676a4388 |
12 | 37827644 |
13 | 21041caa |
14 | 134774a0 |
15 | b6b9937 |
hex | 7c664d4 |
130442452 has 12 divisors (see below), whose sum is σ = 260884960. Its totient is φ = 55903896.
The previous prime is 130442449. The next prime is 130442471. The reversal of 130442452 is 254244031.
It is a happy number.
130442452 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2329302 + ... + 2329357.
Almost surely, 2130442452 is an apocalyptic number.
It is an amenable number.
130442452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130442452 is a wasteful number, since it uses less digits than its factorization.
130442452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4658670 (or 4658668 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 25.
The square root of 130442452 is about 11421.1405735154. The cubic root of 130442452 is about 507.1537619102.
Adding to 130442452 its reverse (254244031), we get a palindrome (384686483).
The spelling of 130442452 in words is "one hundred thirty million, four hundred forty-two thousand, four hundred fifty-two".
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