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238534812 = 22327983873
BaseRepresentation
bin11100011011111…
…00000010011100
3121121211211020200
432031330002130
5442031103222
635400343500
75624340525
oct1615740234
9547754220
10238534812
1111271280a
1267a74b90
133a559c79
142397384c
1515e1beac
hexe37c09c

238534812 has 36 divisors (see below), whose sum is σ = 610602720. Its totient is φ = 78504192.

The previous prime is 238534799. The next prime is 238534847. The reversal of 238534812 is 218435832.

238534812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39093 + ... + 44780.

Almost surely, 2238534812 is an apocalyptic number.

It is an amenable number.

238534812 is an abundant number, since it is smaller than the sum of its proper divisors (372067908).

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

238534812 is a wasteful number, since it uses less digits than its factorization.

238534812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83962 (or 83957 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 238534812 is about 15444.5722504704. The cubic root of 238534812 is about 620.1792856466.

The spelling of 238534812 in words is "two hundred thirty-eight million, five hundred thirty-four thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 79 158 237 316 474 711 948 1422 2844 83873 167746 251619 335492 503238 754857 1006476 1509714 3019428 6625967 13251934 19877901 26503868 39755802 59633703 79511604 119267406 238534812