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572143992 = 233721014817
BaseRepresentation
bin100010000110100…
…011100101111000
31110212120221000020
4202012203211320
52132432101432
6132435010440
720115100200
oct4206434570
91425527006
10572143992
11273a62282
1213b739a20
13916c4754
1455db5400
153536922c
hex221a3978

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".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 101 147 168 196 202 294 303 392 404 588 606 707 808 1176 1212 1414 2121 2424 2828 4242 4817 4949 5656 8484 9634 9898 14451 14847 16968 19268 19796 28902 29694 33719 38536 39592 57804 59388 67438 101157 115608 118776 134876 202314 236033 269752 404628 472066 486517 708099 809256 944132 973034 1416198 1459551 1888264 1946068 2832396 2919102 3405619 3892136 5664792 5838204 6811238 10216857 11676408 13622476 20433714 23839333 27244952 40867428 47678666 71517999 81734856 95357332 143035998 190714664 286071996 572143992