Search a number
-
+
531219896 = 231912231559
BaseRepresentation
bin11111101010011…
…100010110111000
31101000120202200222
4133222130112320
52041443014041
6124413515212
716110203024
oct3752342670
91330522628
10531219896
11252950409
12129aa2b08
13860963cc
14507a1384
153198374b
hex1fa9c5b8

531219896 has 32 divisors (see below), whose sum is σ = 1006387200. Its totient is φ = 262865760.

The previous prime is 531219889. The next prime is 531219919. The reversal of 531219896 is 698912135.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 339965 + ... + 341523.

It is an arithmetic number, because the mean of its divisors is an integer number (31449600).

Almost surely, 2531219896 is an apocalyptic number.

It is an amenable number.

531219896 is a deficient number, since it is larger than the sum of its proper divisors (475167304).

531219896 is a wasteful number, since it uses less digits than its factorization.

531219896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979 (or 1975 counting only the distinct ones).

The product of its digits is 116640, while the sum is 44.

The square root of 531219896 is about 23048.2080865303. The cubic root of 531219896 is about 809.8876519483.

The spelling of 531219896 in words is "five hundred thirty-one million, two hundred nineteen thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 191 223 382 446 764 892 1528 1559 1784 3118 6236 12472 42593 85186 170372 297769 340744 347657 595538 695314 1191076 1390628 2382152 2781256 66402487 132804974 265609948 531219896