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561425022 = 232283307359
BaseRepresentation
bin100001011101101…
…010101001111110
31110010102100100100
4201131222221332
52122211100042
6131413141530
716625014434
oct4135525176
91403370310
10561425022
11268a00a24
1213802a8a6
138c410872
14547c4d54
153444d24c
hex2176aa7e

561425022 has 48 divisors (see below), whose sum is σ = 1228106880. Its totient is φ = 185355216.

The previous prime is 561425021. The next prime is 561425057. The reversal of 561425022 is 220524165.

561425022 is a `hidden beast` number, since 5 + 614 + 25 + 0 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561425021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1563679 + ... + 1564037.

It is an arithmetic number, because the mean of its divisors is an integer number (25585560).

Almost surely, 2561425022 is an apocalyptic number.

561425022 is an abundant number, since it is smaller than the sum of its proper divisors (666681858).

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

561425022 is a wasteful number, since it uses less digits than its factorization.

561425022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 561425022 is about 23694.4090873776. The cubic root of 561425022 is about 824.9556251614.

Adding to 561425022 its reverse (220524165), we get a palindrome (781949187).

The spelling of 561425022 in words is "five hundred sixty-one million, four hundred twenty-five thousand, twenty-two".

Divisors: 1 2 3 6 9 18 283 307 359 566 614 718 849 921 1077 1698 1842 2154 2547 2763 3231 5094 5526 6462 86881 101597 110213 173762 203194 220426 260643 304791 330639 521286 609582 661278 781929 914373 991917 1563858 1828746 1983834 31190279 62380558 93570837 187141674 280712511 561425022