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230481645 = 3537934051
BaseRepresentation
bin11011011110011…
…01111011101101
3121001200200101020
431233031323231
5433000403040
634512004353
75466030102
oct1557157355
9531620336
10230481645
111091122a9
12652306b9
133899a594
1422878aa9
151537acd0
hexdbcdeed

230481645 has 16 divisors (see below), whose sum is σ = 368958912. Its totient is φ = 122860800.

The previous prime is 230481611. The next prime is 230481679. The reversal of 230481645 is 546184032.

It is an interprime number because it is at equal distance from previous prime (230481611) and next prime (230481679).

It is not a de Polignac number, because 230481645 - 28 = 230481389 is a prime.

It is a super-3 number, since 3×2304816453 (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

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, 54870 + ... + 58920.

It is an arithmetic number, because the mean of its divisors is an integer number (23059932).

Almost surely, 2230481645 is an apocalyptic number.

It is an amenable number.

230481645 is a deficient number, since it is larger than the sum of its proper divisors (138477267).

230481645 is a wasteful number, since it uses less digits than its factorization.

230481645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7852.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 230481645 is about 15181.6219489223. The cubic root of 230481645 is about 613.1199509436.

The spelling of 230481645 in words is "two hundred thirty million, four hundred eighty-one thousand, six hundred forty-five".

Divisors: 1 3 5 15 3793 4051 11379 12153 18965 20255 56895 60765 15365443 46096329 76827215 230481645