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531949092 = 22344329091
BaseRepresentation
bin11111101101001…
…110011000100100
31101001221210222020
4133231032120210
52042134332332
6124441303140
716116330663
oct3755163044
91331853866
10531949092
112532a9254
1212a194ab0
138629029c
1450910dda
1531a7982c
hex1fb4e624

531949092 has 12 divisors (see below), whose sum is σ = 1241214576. Its totient is φ = 177316360.

The previous prime is 531949073. The next prime is 531949147. The reversal of 531949092 is 290949135.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22164534 + ... + 22164557.

It is an arithmetic number, because the mean of its divisors is an integer number (103434548).

Almost surely, 2531949092 is an apocalyptic number.

It is an amenable number.

531949092 is an abundant number, since it is smaller than the sum of its proper divisors (709265484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531949092 is a wasteful number, since it uses less digits than its factorization.

531949092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44329098 (or 44329096 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 531949092 is about 23064.0215920815. The cubic root of 531949092 is about 810.2580552573.

The spelling of 531949092 in words is "five hundred thirty-one million, nine hundred forty-nine thousand, ninety-two".

Divisors: 1 2 3 4 6 12 44329091 88658182 132987273 177316364 265974546 531949092