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231100472 = 2328887559
BaseRepresentation
bin11011100011001…
…01000000111000
3121002212010020202
431301211000320
5433130203342
634533141332
75504215211
oct1561450070
9532763222
10231100472
111094a5229
126548a848
1338b56155
142299a408
151544e332
hexdc65038

231100472 has 8 divisors (see below), whose sum is σ = 433313400. Its totient is φ = 115550232.

The previous prime is 231100459. The next prime is 231100501. The reversal of 231100472 is 274001132.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14443772 + ... + 14443787.

It is an arithmetic number, because the mean of its divisors is an integer number (54164175).

Almost surely, 2231100472 is an apocalyptic number.

It is an amenable number.

231100472 is a deficient number, since it is larger than the sum of its proper divisors (202212928).

231100472 is a wasteful number, since it uses less digits than its factorization.

231100472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28887565 (or 28887561 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 231100472 is about 15201.9890803802. The cubic root of 231100472 is about 613.6681885524.

The spelling of 231100472 in words is "two hundred thirty-one million, one hundred thousand, four hundred seventy-two".

Divisors: 1 2 4 8 28887559 57775118 115550236 231100472