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230485260 = 223516323567
BaseRepresentation
bin11011011110011…
…10110100001100
3121001200212100010
431233032310030
5433001012020
634512033220
75466043455
oct1557166414
9531625303
10230485260
11109114a95
1265232810
133899c115
142287a12c
151537bde0
hexdbced0c

230485260 has 48 divisors (see below), whose sum is σ = 649345536. Its totient is φ = 61083072.

The previous prime is 230485259. The next prime is 230485261. The reversal of 230485260 is 62584032.

It is an interprime number because it is at equal distance from previous prime (230485259) and next prime (230485261).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (230485261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2004 + ... + 21563.

It is an arithmetic number, because the mean of its divisors is an integer number (13528032).

Almost surely, 2230485260 is an apocalyptic number.

230485260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230485260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324672768).

230485260 is an abundant number, since it is smaller than the sum of its proper divisors (418860276).

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

230485260 is a wasteful number, since it uses less digits than its factorization.

230485260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23742 (or 23740 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 230485260 is about 15181.7410068806. The cubic root of 230485260 is about 613.1231564295.

The spelling of 230485260 in words is "two hundred thirty million, four hundred eighty-five thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 163 326 489 652 815 978 1630 1956 2445 3260 4890 9780 23567 47134 70701 94268 117835 141402 235670 282804 353505 471340 707010 1414020 3841421 7682842 11524263 15365684 19207105 23048526 38414210 46097052 57621315 76828420 115242630 230485260