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201131232 = 2532095117
BaseRepresentation
bin10111111110100…
…00010011100000
3112000110112011220
423333100103200
5402442144412
631542535040
74661405301
oct1377202340
9460415156
10201131232
11a3595965
1257437480
1332892183
141c9d87a8
15129ce68c
hexbfd04e0

201131232 has 24 divisors (see below), whose sum is σ = 527969736. Its totient is φ = 67043712.

The previous prime is 201131219. The next prime is 201131257. The reversal of 201131232 is 232131102.

201131232 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 (24).

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, 1047463 + ... + 1047654.

It is an arithmetic number, because the mean of its divisors is an integer number (21998739).

Almost surely, 2201131232 is an apocalyptic number.

It is an amenable number.

201131232 is an abundant number, since it is smaller than the sum of its proper divisors (326838504).

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

201131232 is a wasteful number, since it uses less digits than its factorization.

201131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095130 (or 2095122 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 201131232 is about 14182.0743193653. The cubic root of 201131232 is about 585.9040561704.

Adding to 201131232 its reverse (232131102), we get a palindrome (433262334).

The spelling of 201131232 in words is "two hundred one million, one hundred thirty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 2095117 4190234 6285351 8380468 12570702 16760936 25141404 33521872 50282808 67043744 100565616 201131232