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531190 = 25112439
BaseRepresentation
bin10000001101011110110
3222222122201
42001223312
5113444230
615215114
74341442
oct2015366
9888581
10531190
11333100
1221749a
13157a1a
14db822
15a75ca
hex81af6

531190 has 24 divisors (see below), whose sum is σ = 1053360. Its totient is φ = 192720.

The previous prime is 531173. The next prime is 531197. The reversal of 531190 is 91135.

531190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×5311902 = 564325632200, which contains 22 as substring.

It is a nialpdrome in base 11 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 991 + ... + 1429.

It is an arithmetic number, because the mean of its divisors is an integer number (43890).

2531190 is an apocalyptic number.

531190 is a deficient number, since it is larger than the sum of its proper divisors (522170).

531190 is a wasteful number, since it uses less digits than its factorization.

531190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 531190 is about 728.8278260330. The cubic root of 531190 is about 80.9872458707.

The spelling of 531190 in words is "five hundred thirty-one thousand, one hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 121 242 439 605 878 1210 2195 4390 4829 9658 24145 48290 53119 106238 265595 531190