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106474509 = 3253223217
BaseRepresentation
bin1100101100010…
…10110000001101
321102100110120100
412112022300031
5204224141014
614322041313
72432006211
oct626126015
9242313510
10106474509
1155113969
122b7a9239
131909c78b
14101d8941
159533009
hex658ac0d

106474509 has 12 divisors (see below), whose sum is σ = 156699036. Its totient is φ = 69643392.

The previous prime is 106474507. The next prime is 106474531. The reversal of 106474509 is 905474601.

106474509 is a `hidden beast` number, since 1 + 0 + 647 + 4 + 5 + 0 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 84824100 + 21650409 = 9210^2 + 4653^2 .

It is not a de Polignac number, because 106474509 - 21 = 106474507 is a prime.

It is a super-2 number, since 2×1064745092 = 22673642133582162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106474507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111132 + ... + 112085.

It is an arithmetic number, because the mean of its divisors is an integer number (13058253).

Almost surely, 2106474509 is an apocalyptic number.

It is an amenable number.

106474509 is a deficient number, since it is larger than the sum of its proper divisors (50224527).

106474509 is a wasteful number, since it uses less digits than its factorization.

106474509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223276 (or 223273 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 106474509 is about 10318.6486033783. The cubic root of 106474509 is about 473.9674842834.

The spelling of 106474509 in words is "one hundred six million, four hundred seventy-four thousand, five hundred nine".

Divisors: 1 3 9 53 159 477 223217 669651 2008953 11830501 35491503 106474509