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572142444 = 22347678537
BaseRepresentation
bin100010000110100…
…011001101101100
31110212120211212220
4202012203031230
52132432024234
6132434555340
720115062526
oct4206431554
91425524786
10572142444
11273a610a5
1213b738b50
13916c3b33
1455db4a16
1535368a49
hex221a336c

572142444 has 12 divisors (see below), whose sum is σ = 1334999064. Its totient is φ = 190714144.

The previous prime is 572142427. The next prime is 572142449. The reversal of 572142444 is 444241275.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (572142449) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23839257 + ... + 23839280.

It is an arithmetic number, because the mean of its divisors is an integer number (111249922).

Almost surely, 2572142444 is an apocalyptic number.

It is an amenable number.

572142444 is an abundant number, since it is smaller than the sum of its proper divisors (762856620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

572142444 is a wasteful number, since it uses less digits than its factorization.

572142444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47678544 (or 47678542 counting only the distinct ones).

The product of its digits is 35840, while the sum is 33.

The square root of 572142444 is about 23919.4992422500. The cubic root of 572142444 is about 830.1719506329.

The spelling of 572142444 in words is "five hundred seventy-two million, one hundred forty-two thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 47678537 95357074 143035611 190714148 286071222 572142444