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230044134 = 23192017931
BaseRepresentation
bin11011011011000…
…11000111100110
3121000212110020010
431231203013212
5432342403014
634454351050
75462225415
oct1555430746
9530773203
10230044134
11108943621
126505b486
13388763b8
14227a347c
15152e1359
hexdb631e6

230044134 has 16 divisors (see below), whose sum is σ = 484303680. Its totient is φ = 72645480.

The previous prime is 230044123. The next prime is 230044147. The reversal of 230044134 is 431440032.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 230044134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008852 + ... + 1009079.

It is an arithmetic number, because the mean of its divisors is an integer number (30268980).

Almost surely, 2230044134 is an apocalyptic number.

230044134 is an abundant number, since it is smaller than the sum of its proper divisors (254259546).

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

230044134 is a wasteful number, since it uses less digits than its factorization.

230044134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017955.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 230044134 is about 15167.2058731989. The cubic root of 230044134 is about 612.7317542538.

Adding to 230044134 its reverse (431440032), we get a palindrome (661484166).

The spelling of 230044134 in words is "two hundred thirty million, forty-four thousand, one hundred thirty-four".

Divisors: 1 2 3 6 19 38 57 114 2017931 4035862 6053793 12107586 38340689 76681378 115022067 230044134