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238232852 = 221113416491
BaseRepresentation
bin11100011001100…
…10010100010100
3121121021111000222
432030302110110
5441441422402
635350053512
75621642264
oct1614622424
9547244028
10238232852
11112526960
126794a298
133a4826b0
14238d57a4
1515dac7a2
hexe332514

238232852 has 24 divisors (see below), whose sum is σ = 489794592. Its totient is φ = 99957600.

The previous prime is 238232821. The next prime is 238232879. The reversal of 238232852 is 258232832.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207674 + ... + 208817.

It is an arithmetic number, because the mean of its divisors is an integer number (20408108).

Almost surely, 2238232852 is an apocalyptic number.

238232852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

238232852 is an abundant number, since it is smaller than the sum of its proper divisors (251561740).

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

238232852 is a wasteful number, since it uses less digits than its factorization.

238232852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416519 (or 416517 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 238232852 is about 15434.7935522313. The cubic root of 238232852 is about 619.9174812133.

The spelling of 238232852 in words is "two hundred thirty-eight million, two hundred thirty-two thousand, eight hundred fifty-two".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 416491 832982 1665964 4581401 5414383 9162802 10828766 18325604 21657532 59558213 119116426 238232852