Base | Representation |
---|---|
bin | 100010001000010… |
… | …111111001011100 |
3 | 1110220111010111020 |
4 | 202020113321130 |
5 | 2133042323010 |
6 | 132453124140 |
7 | 20122123113 |
oct | 4210277134 |
9 | 1426433436 |
10 | 572620380 |
11 | 274258192 |
12 | 13b929650 |
13 | 91830537 |
14 | 5609ac7a |
15 | 35410470 |
hex | 22217e5c |
572620380 has 24 divisors (see below), whose sum is σ = 1603337232. Its totient is φ = 152698752.
The previous prime is 572620357. The next prime is 572620387. The reversal of 572620380 is 83026275.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (572620387) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4771777 + ... + 4771896.
It is an arithmetic number, because the mean of its divisors is an integer number (66805718).
Almost surely, 2572620380 is an apocalyptic number.
It is an amenable number.
572620380 is an abundant number, since it is smaller than the sum of its proper divisors (1030716852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
572620380 is a wasteful number, since it uses less digits than its factorization.
572620380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9543685 (or 9543683 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 572620380 is about 23929.4876668933. The cubic root of 572620380 is about 830.4030461332.
It can be divided in two parts, 5726 and 20380, that added together give a triangular number (26106 = T228).
The spelling of 572620380 in words is "five hundred seventy-two million, six hundred twenty thousand, three hundred eighty".
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