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230468121 = 32133735281
BaseRepresentation
bin11011011110010…
…10101000011001
3121001122222211100
431233022220121
5432444434441
634511422013
75465642502
oct1557125031
9531588740
10230468121
11109103124
1265224909
1338994390
1422873ba9
1515376cb6
hexdbcaa19

230468121 has 24 divisors (see below), whose sum is σ = 359535176. Its totient is φ = 141419520.

The previous prime is 230468111. The next prime is 230468123. The reversal of 230468121 is 121864032.

It can be written as a sum of positive squares in 4 ways, for example, as 35721 + 230432400 = 189^2 + 15180^2 .

It is a de Polignac number, because none of the positive numbers 2k-230468121 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230468123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41001 + ... + 46281.

Almost surely, 2230468121 is an apocalyptic number.

It is an amenable number.

230468121 is a deficient number, since it is larger than the sum of its proper divisors (129067055).

230468121 is a wasteful number, since it uses less digits than its factorization.

230468121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5673 (or 5670 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 230468121 is about 15181.1765354336. The cubic root of 230468121 is about 613.1079586706.

It can be divided in two parts, 2304 and 68121, that multiplied together give a square (156950784 = 125282).

The spelling of 230468121 in words is "two hundred thirty million, four hundred sixty-eight thousand, one hundred twenty-one".

Divisors: 1 3 9 13 39 117 373 1119 3357 4849 5281 14547 15843 43641 47529 68653 205959 617877 1969813 5909439 17728317 25607569 76822707 230468121