Search a number
-
+
105432636 = 2238786053
BaseRepresentation
bin1100100100011…
…00011000111100
321100101112101110
412102030120330
5203442321021
614243442020
72420106531
oct622143074
9240345343
10105432636
1154572111
122b386310
1318ac649a
1410006d88
1593c9476
hex648c63c

105432636 has 12 divisors (see below), whose sum is σ = 246009512. Its totient is φ = 35144208.

The previous prime is 105432629. The next prime is 105432637. The reversal of 105432636 is 636234501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1054326362 = 22232081467816992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105432637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4393015 + ... + 4393038.

Almost surely, 2105432636 is an apocalyptic number.

It is an amenable number.

105432636 is an abundant number, since it is smaller than the sum of its proper divisors (140576876).

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

105432636 is a wasteful number, since it uses less digits than its factorization.

105432636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8786060 (or 8786058 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 105432636 is about 10268.0395402433. The cubic root of 105432636 is about 472.4164606935.

The spelling of 105432636 in words is "one hundred five million, four hundred thirty-two thousand, six hundred thirty-six".

Divisors: 1 2 3 4 6 12 8786053 17572106 26358159 35144212 52716318 105432636