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230428362 = 23139276293
BaseRepresentation
bin11011011110000…
…00111011001010
3121001120222021210
431233000323022
5432442201422
634510513550
75465415543
oct1557007312
9531528253
10230428362
1110908626a
12652058b6
133897c258
14228634ca
151536a10c
hexdbc0eca

230428362 has 16 divisors (see below), whose sum is σ = 464173920. Its totient is φ = 76256592.

The previous prime is 230428361. The next prime is 230428391. The reversal of 230428362 is 263824032.

It is not an unprimeable number, because it can be changed into a prime (230428361) 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, 137313 + ... + 138980.

It is an arithmetic number, because the mean of its divisors is an integer number (29010870).

Almost surely, 2230428362 is an apocalyptic number.

230428362 is an abundant number, since it is smaller than the sum of its proper divisors (233745558).

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

230428362 is a wasteful number, since it uses less digits than its factorization.

230428362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276437.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 230428362 is about 15179.8669954647. The cubic root of 230428362 is about 613.0727000542.

The spelling of 230428362 in words is "two hundred thirty million, four hundred twenty-eight thousand, three hundred sixty-two".

Divisors: 1 2 3 6 139 278 417 834 276293 552586 828879 1657758 38404727 76809454 115214181 230428362