Base | Representation |
---|---|
bin | 100010000111111… |
… | …111011101111000 |
3 | 1110220022001020000 |
4 | 202013333131320 |
5 | 2133031122222 |
6 | 132451033000 |
7 | 20121225300 |
oct | 4207773570 |
9 | 1426261200 |
10 | 572520312 |
11 | 274199a91 |
12 | 13b89b760 |
13 | 917c6b20 |
14 | 56072600 |
15 | 353e09ac |
hex | 221ff778 |
572520312 has 480 divisors, whose sum is σ = 2143587600. Its totient is φ = 141087744.
The previous prime is 572520253. The next prime is 572520313. The reversal of 572520312 is 213025275.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (572520313) by changing a digit.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 7842708 + ... + 7842780.
Almost surely, 2572520312 is an apocalyptic number.
572520312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 572520312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071793800).
572520312 is an abundant number, since it is smaller than the sum of its proper divisors (1571067288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
572520312 is a wasteful number, since it uses less digits than its factorization.
572520312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137 (or 117 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 27.
The square root of 572520312 is about 23927.3966824642. The cubic root of 572520312 is about 830.3546710864.
Adding to 572520312 its reverse (213025275), we get a palindrome (785545587).
The spelling of 572520312 in words is "five hundred seventy-two million, five hundred twenty thousand, three hundred twelve".
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