Base | Representation |
---|---|
bin | 100010000110101… |
… | …110001000000100 |
3 | 1110212200010012022 |
4 | 202012232020010 |
5 | 2132434442030 |
6 | 132435542312 |
7 | 20115340040 |
oct | 4206561004 |
9 | 1425603168 |
10 | 572187140 |
11 | 273a91738 |
12 | 13b75a998 |
13 | 9170b295 |
14 | 55dc7020 |
15 | 35376de5 |
hex | 221ae204 |
572187140 has 48 divisors (see below), whose sum is σ = 1392085632. Its totient is φ = 193487616.
The previous prime is 572187127. The next prime is 572187157. The reversal of 572187140 is 41781275.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a self number, because there is not a number n which added to its sum of digits gives 572187140.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17774 + ... + 38213.
It is an arithmetic number, because the mean of its divisors is an integer number (29001784).
Almost surely, 2572187140 is an apocalyptic number.
It is an amenable number.
572187140 is an abundant number, since it is smaller than the sum of its proper divisors (819898492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
572187140 is a wasteful number, since it uses less digits than its factorization.
572187140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56076 (or 56074 counting only the distinct ones).
The product of its (nonzero) digits is 15680, while the sum is 35.
The square root of 572187140 is about 23920.4335244995. The cubic root of 572187140 is about 830.1935678599.
The spelling of 572187140 in words is "five hundred seventy-two million, one hundred eighty-seven thousand, one hundred forty".
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