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230431124 = 227211176287
BaseRepresentation
bin11011011110000…
…01100110010100
3121001121010002002
431233001212110
5432442243444
634510534432
75465426600
oct1557014624
9531533062
10230431124
11109088350
1265207418
13389805a1
1422864500
151536ad4e
hexdbc1994

230431124 has 72 divisors (see below), whose sum is σ = 541924992. Its totient is φ = 84483840.

The previous prime is 230431081. The next prime is 230431169. The reversal of 230431124 is 421134032.

230431124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 230431096 and 230431105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33509 + ... + 39795.

It is an arithmetic number, because the mean of its divisors is an integer number (7526736).

Almost surely, 2230431124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230431124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270962496).

230431124 is an abundant number, since it is smaller than the sum of its proper divisors (311493868).

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

230431124 is a wasteful number, since it uses less digits than its factorization.

230431124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6333 (or 6324 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 230431124 is about 15179.9579709563. The cubic root of 230431124 is about 613.0751495501.

Adding to 230431124 its reverse (421134032), we get a palindrome (651565156).

The spelling of 230431124 in words is "two hundred thirty million, four hundred thirty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 7 11 14 17 22 28 34 44 49 68 77 98 119 154 187 196 238 308 374 476 539 748 833 1078 1309 1666 2156 2618 3332 5236 6287 9163 12574 18326 25148 36652 44009 69157 88018 106879 138314 176036 213758 276628 308063 427516 484099 616126 748153 968198 1175669 1232252 1496306 1936396 2351338 2992612 3388693 4702676 5237071 6777386 8229683 10474142 13554772 16459366 20948284 32918732 57607781 115215562 230431124