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230255412 = 223171128703
BaseRepresentation
bin11011011100101…
…10101100110100
3121001021012001020
431232112230310
5432421133122
634503101140
75464065402
oct1556265464
9531235036
10230255412
11108a78332
12651417b0
133891b60a
142281a472
1515333c5c
hexdb96b34

230255412 has 24 divisors (see below), whose sum is σ = 568866816. Its totient is φ = 72236928.

The previous prime is 230255393. The next prime is 230255413. The reversal of 230255412 is 214552032.

It is a super-4 number, since 4×2302554124 (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230255413) 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, 564148 + ... + 564555.

It is an arithmetic number, because the mean of its divisors is an integer number (23702784).

Almost surely, 2230255412 is an apocalyptic number.

It is an amenable number.

230255412 is an abundant number, since it is smaller than the sum of its proper divisors (338611404).

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

230255412 is a wasteful number, since it uses less digits than its factorization.

230255412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128727 (or 1128725 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 230255412 is about 15174.1692359088. The cubic root of 230255412 is about 612.9192793249.

The spelling of 230255412 in words is "two hundred thirty million, two hundred fifty-five thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 1128703 2257406 3386109 4514812 6772218 13544436 19187951 38375902 57563853 76751804 115127706 230255412