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230022232 = 23113184319
BaseRepresentation
bin11011011010111…
…01110001011000
3121000211100011221
431231131301120
5432341202412
634454101424
75462104516
oct1555356130
9530740157
10230022232
11108929120
126504a874
133886943b
14227994b6
15152d9b07
hexdb5dc58

230022232 has 32 divisors (see below), whose sum is σ = 485683200. Its totient is φ = 101181600.

The previous prime is 230022217. The next prime is 230022239. The reversal of 230022232 is 232220032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230022239) 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, 39432 + ... + 44887.

It is an arithmetic number, because the mean of its divisors is an integer number (15177600).

Almost surely, 2230022232 is an apocalyptic number.

230022232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

230022232 is an abundant number, since it is smaller than the sum of its proper divisors (255660968).

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

230022232 is a wasteful number, since it uses less digits than its factorization.

230022232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84367 (or 84363 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 230022232 is about 15166.4838377259. The cubic root of 230022232 is about 612.7123080189.

Adding to 230022232 its reverse (232220032), we get a palindrome (462242264).

The spelling of 230022232 in words is "two hundred thirty million, twenty-two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 22 31 44 62 88 124 248 341 682 1364 2728 84319 168638 337276 674552 927509 1855018 2613889 3710036 5227778 7420072 10455556 20911112 28752779 57505558 115011116 230022232