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106205631 = 3712014211
BaseRepresentation
bin1100101010010…
…01000110111111
321101211210201220
412111021012333
5204142040011
614312204423
72426506260
oct625110677
9241753656
10106205631
1154a4a954
122b699713
131900728c
1410168967
1594cd506
hex65491bf

106205631 has 16 divisors (see below), whose sum is σ = 162010368. Its totient is φ = 60624000.

The previous prime is 106205629. The next prime is 106205639. The reversal of 106205631 is 136502601.

It is not a de Polignac number, because 106205631 - 21 = 106205629 is a prime.

It is a super-2 number, since 2×1062056312 = 22559272112216322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106205639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23116 + ... + 27326.

It is an arithmetic number, because the mean of its divisors is an integer number (10125648).

Almost surely, 2106205631 is an apocalyptic number.

106205631 is a deficient number, since it is larger than the sum of its proper divisors (55804737).

106205631 is a wasteful number, since it uses less digits than its factorization.

106205631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5422.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 106205631 is about 10305.6116266818. The cubic root of 106205631 is about 473.5681810304.

The spelling of 106205631 in words is "one hundred six million, two hundred five thousand, six hundred thirty-one".

Divisors: 1 3 7 21 1201 3603 4211 8407 12633 25221 29477 88431 5057411 15172233 35401877 106205631