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230452812 = 22326401467
BaseRepresentation
bin11011011110001…
…10111001001100
3121001122012211100
431233012321030
5432443442222
634511223100
75465550042
oct1557067114
9531565740
10230452812
111090a2677
1265217a90
133898a415
142286c392
15153724ac
hexdbc6e4c

230452812 has 18 divisors (see below), whose sum is σ = 582533588. Its totient is φ = 76817592.

The previous prime is 230452777. The next prime is 230452813. The reversal of 230452812 is 218254032.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (230452813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3200698 + ... + 3200769.

Almost surely, 2230452812 is an apocalyptic number.

It is an amenable number.

230452812 is an abundant number, since it is smaller than the sum of its proper divisors (352080776).

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

230452812 is a wasteful number, since it uses less digits than its factorization.

230452812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401477 (or 6401472 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 230452812 is about 15180.6723171275. The cubic root of 230452812 is about 613.0943830004.

The spelling of 230452812 in words is "two hundred thirty million, four hundred fifty-two thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 6401467 12802934 19204401 25605868 38408802 57613203 76817604 115226406 230452812