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201323432 = 2325165429
BaseRepresentation
bin10111111111111…
…11001110101000
3112000211021211102
423333333032220
5403014322212
631551020532
74663135532
oct1377771650
9460737742
10201323432
11a3707302
125750a748
133292b7bb
141ca48852
1512a1b5c2
hexbfff3a8

201323432 has 8 divisors (see below), whose sum is σ = 377481450. Its totient is φ = 100661712.

The previous prime is 201323383. The next prime is 201323453. The reversal of 201323432 is 234323102.

It can be written as a sum of positive squares in only one way, i.e., 199543876 + 1779556 = 14126^2 + 1334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2013234322 = 81062248544517248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12582707 + ... + 12582722.

Almost surely, 2201323432 is an apocalyptic number.

It is an amenable number.

201323432 is a deficient number, since it is larger than the sum of its proper divisors (176158018).

201323432 is a wasteful number, since it uses less digits than its factorization.

201323432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25165435 (or 25165431 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 201323432 is about 14188.8488609894. The cubic root of 201323432 is about 586.0906257506.

Adding to 201323432 its reverse (234323102), we get a palindrome (435646534).

The spelling of 201323432 in words is "two hundred one million, three hundred twenty-three thousand, four hundred thirty-two".

Divisors: 1 2 4 8 25165429 50330858 100661716 201323432