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525463431 = 3473726691
BaseRepresentation
bin11111010100011…
…110111110000111
31100121202022022120
4133110132332013
52034004312211
6124050301023
716010236233
oct3724367607
91317668276
10525463431
1124a6794a9
12127b87773
1384b2c20c
144db035c3
15311e7d06
hex1f51ef87

525463431 has 8 divisors (see below), whose sum is σ = 715524864. Its totient is φ = 342855480.

The previous prime is 525463427. The next prime is 525463469. The reversal of 525463431 is 134364525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 525463431 - 22 = 525463427 is a prime.

It is a super-2 number, since 2×5254634312 = 552223634636583522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 525463392 and 525463401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525463481) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1863205 + ... + 1863486.

It is an arithmetic number, because the mean of its divisors is an integer number (89440608).

Almost surely, 2525463431 is an apocalyptic number.

525463431 is a deficient number, since it is larger than the sum of its proper divisors (190061433).

525463431 is a wasteful number, since it uses less digits than its factorization.

525463431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726741.

The product of its digits is 43200, while the sum is 33.

The square root of 525463431 is about 22922.9891375449. The cubic root of 525463431 is about 806.9516223616.

The spelling of 525463431 in words is "five hundred twenty-five million, four hundred sixty-three thousand, four hundred thirty-one".

Divisors: 1 3 47 141 3726691 11180073 175154477 525463431