Base | Representation |
---|---|
bin | 1111100011111… |
… | …01011111010100 |
3 | 100002121222200120 |
4 | 13301331133110 |
5 | 231404144203 |
6 | 20541511540 |
7 | 3143356410 |
oct | 761753724 |
9 | 302558616 |
10 | 130537428 |
11 | 6775977a |
12 | 378725b0 |
13 | 210762a8 |
14 | 1349dd40 |
15 | b6d7b53 |
hex | 7c7d7d4 |
130537428 has 48 divisors (see below), whose sum is σ = 348923904. Its totient is φ = 37208160.
The previous prime is 130537427. The next prime is 130537453. The reversal of 130537428 is 824735031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130537427) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39313 + ... + 42503.
It is an arithmetic number, because the mean of its divisors is an integer number (7269248).
Almost surely, 2130537428 is an apocalyptic number.
It is an amenable number.
130537428 is an abundant number, since it is smaller than the sum of its proper divisors (218386476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130537428 is a wasteful number, since it uses less digits than its factorization.
130537428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3692 (or 3690 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 130537428 is about 11425.2977204097. The cubic root of 130537428 is about 507.2768193692.
The spelling of 130537428 in words is "one hundred thirty million, five hundred thirty-seven thousand, four hundred twenty-eight".
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