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230102044 = 2253220479
BaseRepresentation
bin11011011011100…
…01010000011100
3121000222101122221
431231301100130
5432401231134
634455515124
75462556304
oct1555612034
9530871587
10230102044
11108983087
1265088aa4
1338896873
14227ba604
15153035b4
hexdb7141c

230102044 has 18 divisors (see below), whose sum is σ = 410439680. Its totient is φ = 112874736.

The previous prime is 230102039. The next prime is 230102069. The reversal of 230102044 is 440201032.

230102044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 997 + ... + 21475.

Almost surely, 2230102044 is an apocalyptic number.

It is an amenable number.

230102044 is a deficient number, since it is larger than the sum of its proper divisors (180337636).

230102044 is a wasteful number, since it uses less digits than its factorization.

230102044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20589 (or 20534 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 230102044 is about 15169.1148060788. The cubic root of 230102044 is about 612.7831651407.

Adding to 230102044 its reverse (440201032), we get a palindrome (670303076).

The spelling of 230102044 in words is "two hundred thirty million, one hundred two thousand, forty-four".

Divisors: 1 2 4 53 106 212 2809 5618 11236 20479 40958 81916 1085387 2170774 4341548 57525511 115051022 230102044