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531037422 = 232195329297
BaseRepresentation
bin11111101001101…
…111110011101110
31101000020111101200
4133221233303232
52041421144142
6124405550330
716105513026
oct3751576356
91330214350
10531037422
11252836303
12129a153a6
1386031336
1450754a86
153194964c
hex1fa6fcee

531037422 has 48 divisors (see below), whose sum is σ = 1234031760. Its totient is φ = 164526336.

The previous prime is 531037421. The next prime is 531037433. The reversal of 531037422 is 224730135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531037421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3478 + ... + 32774.

It is an arithmetic number, because the mean of its divisors is an integer number (25708995).

Almost surely, 2531037422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531037422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617015880).

531037422 is an abundant number, since it is smaller than the sum of its proper divisors (702994338).

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

531037422 is a wasteful number, since it uses less digits than its factorization.

531037422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29377 (or 29374 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 531037422 is about 23044.2492175380. The cubic root of 531037422 is about 809.7949092097.

Adding to 531037422 its reverse (224730135), we get a palindrome (755767557).

The spelling of 531037422 in words is "five hundred thirty-one million, thirty-seven thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 18 19 38 53 57 106 114 159 171 318 342 477 954 1007 2014 3021 6042 9063 18126 29297 58594 87891 175782 263673 527346 556643 1113286 1552741 1669929 3105482 3339858 4658223 5009787 9316446 10019574 13974669 27949338 29502079 59004158 88506237 177012474 265518711 531037422