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230100252 = 22319175021
BaseRepresentation
bin11011011011100…
…00110100011100
3121000222022012120
431231300310130
5432401202002
634455502540
75462551134
oct1555606434
9530868176
10230100252
111089817a8
1265087a50
1338895ac5
14227b9ac4
1515302cbc
hexdb70d1c

230100252 has 12 divisors (see below), whose sum is σ = 536900616. Its totient is φ = 76700080.

The previous prime is 230100229. The next prime is 230100263. The reversal of 230100252 is 252001032.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2301002522 = 105892251940927008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9587499 + ... + 9587522.

It is an arithmetic number, because the mean of its divisors is an integer number (44741718).

Almost surely, 2230100252 is an apocalyptic number.

It is an amenable number.

230100252 is an abundant number, since it is smaller than the sum of its proper divisors (306800364).

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

230100252 is a wasteful number, since it uses less digits than its factorization.

230100252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19175028 (or 19175026 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 230100252 is about 15169.0557385752. The cubic root of 230100252 is about 612.7815743823.

Adding to 230100252 its reverse (252001032), we get a palindrome (482101284).

The spelling of 230100252 in words is "two hundred thirty million, one hundred thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 19175021 38350042 57525063 76700084 115050126 230100252