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106235309 = 823129083
BaseRepresentation
bin1100101010100…
…00010110101101
321101220022110002
412111100112231
5204144012214
614312554045
72426661635
oct625202655
9241808402
10106235309
1154a70184
122b6b2925
131901793b
14101756c5
1594d71de
hex65505ad

106235309 has 4 divisors (see below), whose sum is σ = 106365216. Its totient is φ = 106105404.

The previous prime is 106235303. The next prime is 106235347. The reversal of 106235309 is 903532601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 106235309 - 24 = 106235293 is a prime.

It is a super-2 number, since 2×1062353092 = 22571881756650962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106235303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63719 + ... + 65364.

It is an arithmetic number, because the mean of its divisors is an integer number (26591304).

Almost surely, 2106235309 is an apocalyptic number.

It is an amenable number.

106235309 is a deficient number, since it is larger than the sum of its proper divisors (129907).

106235309 is an equidigital number, since it uses as much as digits as its factorization.

106235309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129906.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 106235309 is about 10307.0514212359. The cubic root of 106235309 is about 473.6122880689.

The spelling of 106235309 in words is "one hundred six million, two hundred thirty-five thousand, three hundred nine".

Divisors: 1 823 129083 106235309