Base | Representation |
---|---|
bin | 100010000110100… |
… | …011100101111000 |
3 | 1110212120221000020 |
4 | 202012203211320 |
5 | 2132432101432 |
6 | 132435010440 |
7 | 20115100200 |
oct | 4206434570 |
9 | 1425527006 |
10 | 572143992 |
11 | 273a62282 |
12 | 13b739a20 |
13 | 916c4754 |
14 | 55db5400 |
15 | 3536922c |
hex | 221a3978 |
572143992 has 96 divisors (see below), whose sum is σ = 1680711120. Its totient is φ = 161817600.
The previous prime is 572143981. The next prime is 572144003. The reversal of 572143992 is 299341275.
It is an interprime number because it is at equal distance from previous prime (572143981) and next prime (572144003).
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116368 + ... + 121184.
Almost surely, 2572143992 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 572143992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (840355560).
572143992 is an abundant number, since it is smaller than the sum of its proper divisors (1108567128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
572143992 is a wasteful number, since it uses less digits than its factorization.
572143992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4941 (or 4930 counting only the distinct ones).
The product of its digits is 136080, while the sum is 42.
The square root of 572143992 is about 23919.5316007651. The cubic root of 572143992 is about 830.1726993422.
The spelling of 572143992 in words is "five hundred seventy-two million, one hundred forty-three thousand, nine hundred ninety-two".
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