Search a number
-
+
531476725 = 52131635313
BaseRepresentation
bin11111101011011…
…011000011110101
31101001001211000011
4133223123003311
52042024223400
6124423220221
716112322553
oct3753330365
91331054004
10531476725
1125300636a
12129ba7671
1386156290
145082abd3
15319d48ba
hex1fadb0f5

531476725 has 12 divisors (see below), whose sum is σ = 709726276. Its totient is φ = 392474880.

The previous prime is 531476657. The next prime is 531476747. The reversal of 531476725 is 527674135.

It can be written as a sum of positive squares in 6 ways, for example, as 183169156 + 348307569 = 13534^2 + 18663^2 .

It is not a de Polignac number, because 531476725 - 213 = 531468533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 817332 + ... + 817981.

Almost surely, 2531476725 is an apocalyptic number.

It is an amenable number.

531476725 is a deficient number, since it is larger than the sum of its proper divisors (178249551).

531476725 is a wasteful number, since it uses less digits than its factorization.

531476725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635336 (or 1635331 counting only the distinct ones).

The product of its digits is 176400, while the sum is 40.

The square root of 531476725 is about 23053.7789743894. The cubic root of 531476725 is about 810.0181497737.

The spelling of 531476725 in words is "five hundred thirty-one million, four hundred seventy-six thousand, seven hundred twenty-five".

Divisors: 1 5 13 25 65 325 1635313 8176565 21259069 40882825 106295345 531476725