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230564125 = 5311167683
BaseRepresentation
bin11011011111000…
…10000100011101
3121001211212112001
431233202010131
5433011023000
634513442301
75466522421
oct1557420435
9531755461
10230564125
11109169270
1265270391
13389c8c9c
142289ab81
151539546a
hexdbe211d

230564125 has 16 divisors (see below), whose sum is σ = 313904448. Its totient is φ = 167682000.

The previous prime is 230564111. The next prime is 230564137. The reversal of 230564125 is 521465032.

It is not a de Polignac number, because 230564125 - 211 = 230562077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230564093 and 230564102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82467 + ... + 85216.

It is an arithmetic number, because the mean of its divisors is an integer number (19619028).

Almost surely, 2230564125 is an apocalyptic number.

230564125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230564125 is a deficient number, since it is larger than the sum of its proper divisors (83340323).

230564125 is a wasteful number, since it uses less digits than its factorization.

230564125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167709 (or 167699 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 230564125 is about 15184.3381482368. The cubic root of 230564125 is about 613.1930791131.

It can be divided in two parts, 2305 and 64125, that added together give a triangular number (66430 = T364).

The spelling of 230564125 in words is "two hundred thirty million, five hundred sixty-four thousand, one hundred twenty-five".

Divisors: 1 5 11 25 55 125 275 1375 167683 838415 1844513 4192075 9222565 20960375 46112825 230564125