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231044404 = 2257761101
BaseRepresentation
bin11011100010101…
…11010100110100
3121002202021100011
431301113110310
5433121410104
634532030004
75503562563
oct1561272464
9532667304
10231044404
11109467098
1265462304
1338b36786
1422983bda
151543c904
hexdc57534

231044404 has 6 divisors (see below), whose sum is σ = 404327714. Its totient is φ = 115522200.

The previous prime is 231044377. The next prime is 231044417. The reversal of 231044404 is 404440132.

It can be written as a sum of positive squares in only one way, i.e., 208860304 + 22184100 = 14452^2 + 4710^2 .

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, 28880547 + ... + 28880554.

Almost surely, 2231044404 is an apocalyptic number.

It is an amenable number.

231044404 is a deficient number, since it is larger than the sum of its proper divisors (173283310).

231044404 is a wasteful number, since it uses less digits than its factorization.

231044404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57761105 (or 57761103 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 231044404 is about 15200.1448677307. The cubic root of 231044404 is about 613.6185565595.

Adding to 231044404 its reverse (404440132), we get a palindrome (635484536).

The spelling of 231044404 in words is "two hundred thirty-one million, forty-four thousand, four hundred four".

Divisors: 1 2 4 57761101 115522202 231044404