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230242524 = 22319186877
BaseRepresentation
bin11011011100100…
…11100011011100
3121001020112100220
431232103203130
5432420230044
634502521340
75464013001
oct1556234334
9531215326
10230242524
11108a69686
1265136250
13389157a5
14228158a8
1515330019
hexdb938dc

230242524 has 12 divisors (see below), whose sum is σ = 537232584. Its totient is φ = 76747504.

The previous prime is 230242501. The next prime is 230242531. The reversal of 230242524 is 425242032.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 230242494 and 230242503.

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, 9593427 + ... + 9593450.

It is an arithmetic number, because the mean of its divisors is an integer number (44769382).

Almost surely, 2230242524 is an apocalyptic number.

It is an amenable number.

230242524 is an abundant number, since it is smaller than the sum of its proper divisors (306990060).

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

230242524 is a wasteful number, since it uses less digits than its factorization.

230242524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19186884 (or 19186882 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 230242524 is about 15173.7445609184. The cubic root of 230242524 is about 612.9078435444.

Adding to 230242524 its reverse (425242032), we get a palindrome (655484556).

The spelling of 230242524 in words is "two hundred thirty million, two hundred forty-two thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 19186877 38373754 57560631 76747508 115121262 230242524