Base | Representation |
---|---|
bin | 100010000111100… |
… | …011011101111001 |
3 | 1110220002012220100 |
4 | 202013203131321 |
5 | 2133013440000 |
6 | 132444350013 |
7 | 20120240031 |
oct | 4207433571 |
9 | 1426065810 |
10 | 572405625 |
11 | 274120900 |
12 | 13b845309 |
13 | 9178686c |
14 | 560428c1 |
15 | 353bba00 |
hex | 221e3779 |
572405625 has 135 divisors (see below), whose sum is σ = 1176153979. Its totient is φ = 267960000.
The previous prime is 572405611. The next prime is 572405641. The reversal of 572405625 is 526504275.
The square root of 572405625 is 23925.
It is a perfect power (a square), and thus also a powerful number.
572405625 is a `hidden beast` number, since 5 + 7 + 24 + 0 + 5 + 625 = 666.
It can be written as a sum of positive squares in 7 ways, for example, as 428117481 + 144288144 = 20691^2 + 12012^2 .
It is not a de Polignac number, because 572405625 - 229 = 35534713 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 572405625.
It is an unprimeable number.
It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 19738111 + ... + 19738139.
Almost surely, 2572405625 is an apocalyptic number.
572405625 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
572405625 is the 23925-th square number.
572405625 is the 11963-rd centered octagonal number.
It is an amenable number.
572405625 is an abundant number, since it is smaller than the sum of its proper divisors (603748354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
572405625 is a wasteful number, since it uses less digits than its factorization.
572405625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106 (or 48 counting only the distinct ones).
The product of its (nonzero) digits is 84000, while the sum is 36.
The cubic root of 572405625 is about 830.2992219645.
Multiplying 572405625 by its sum of digits (36), we get a square (20606602500 = 1435502).
The spelling of 572405625 in words is "five hundred seventy-two million, four hundred five thousand, six hundred twenty-five".
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