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230013080 = 23511522757
BaseRepresentation
bin11011011010110…
…11100010011000
3121000210212121222
431231123202120
5432340404310
634453551212
75462036033
oct1555334230
9530725558
10230013080
11108922260
1265045508
133886521b
142279601a
15152d7055
hexdb5b898

230013080 has 32 divisors (see below), whose sum is σ = 564578640. Its totient is φ = 83640960.

The previous prime is 230013067. The next prime is 230013089. The reversal of 230013080 is 80310032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230013089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260939 + ... + 261818.

Almost surely, 2230013080 is an apocalyptic number.

230013080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230013080 is an abundant number, since it is smaller than the sum of its proper divisors (334565560).

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

230013080 is a wasteful number, since it uses less digits than its factorization.

230013080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522779 (or 522775 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 230013080 is about 15166.1821168018. The cubic root of 230013080 is about 612.7041818227.

The spelling of 230013080 in words is "two hundred thirty million, thirteen thousand, eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 522757 1045514 2091028 2613785 4182056 5227570 5750327 10455140 11500654 20910280 23001308 28751635 46002616 57503270 115006540 230013080