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531430966 = 21124155953
BaseRepresentation
bin11111101011001…
…111111000110110
31101000222111020101
4133223033320312
52042021242331
6124422224314
716112042263
oct3753177066
91330874211
10531430966
11252a84a50
12129b8509a
138613b4c1
145081826a
15319c6061
hex1facfe36

531430966 has 8 divisors (see below), whose sum is σ = 869614344. Its totient is φ = 241559520.

The previous prime is 531430961. The next prime is 531430967. The reversal of 531430966 is 669034135.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531430961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12077955 + ... + 12077998.

It is an arithmetic number, because the mean of its divisors is an integer number (108701793).

Almost surely, 2531430966 is an apocalyptic number.

531430966 is a deficient number, since it is larger than the sum of its proper divisors (338183378).

531430966 is a wasteful number, since it uses less digits than its factorization.

531430966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24155966.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 531430966 is about 23052.7865126973. The cubic root of 531430966 is about 809.9949021678.

The spelling of 531430966 in words is "five hundred thirty-one million, four hundred thirty thousand, nine hundred sixty-six".

Divisors: 1 2 11 22 24155953 48311906 265715483 531430966