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230044253 = 1311756063
BaseRepresentation
bin11011011011000…
…11001001011101
3121000212110101112
431231203021131
5432342404003
634454351405
75462225645
oct1555431135
9530773345
10230044253
1110894371a
126505b565
133887647a
14227a3525
15152e13d8
hexdb6325d

230044253 has 4 divisors (see below), whose sum is σ = 231800448. Its totient is φ = 228288060.

The previous prime is 230044249. The next prime is 230044277. The reversal of 230044253 is 352440032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230044253 - 22 = 230044249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230044553) 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, 877901 + ... + 878162.

It is an arithmetic number, because the mean of its divisors is an integer number (57950112).

Almost surely, 2230044253 is an apocalyptic number.

It is an amenable number.

230044253 is a deficient number, since it is larger than the sum of its proper divisors (1756195).

230044253 is a wasteful number, since it uses less digits than its factorization.

230044253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756194.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 230044253 is about 15167.2097961359. The cubic root of 230044253 is about 612.7318599076.

Adding to 230044253 its reverse (352440032), we get a palindrome (582484285).

The spelling of 230044253 in words is "two hundred thirty million, forty-four thousand, two hundred fifty-three".

Divisors: 1 131 1756063 230044253