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107133409 = 212950321
BaseRepresentation
bin1100110001010…
…11100111100001
321110120221102001
412120223213201
5204411232114
614344124001
72440422205
oct630534741
9243527361
10107133409
1155523a09
122ba66601
1319270666
141032ab05
159613374
hex662b9e1

107133409 has 4 divisors (see below), whose sum is σ = 107185860. Its totient is φ = 107080960.

The previous prime is 107133407. The next prime is 107133431. The reversal of 107133409 is 904331701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50808384 + 56325025 = 7128^2 + 7505^2 .

It is a cyclic number.

It is not a de Polignac number, because 107133409 - 21 = 107133407 is a prime.

It is a super-2 number, since 2×1071334092 = 22955134647922562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107133407) 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, 23032 + ... + 27289.

It is an arithmetic number, because the mean of its divisors is an integer number (26796465).

Almost surely, 2107133409 is an apocalyptic number.

It is an amenable number.

107133409 is a deficient number, since it is larger than the sum of its proper divisors (52451).

107133409 is an equidigital number, since it uses as much as digits as its factorization.

107133409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52450.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 107133409 is about 10350.5269914145. The cubic root of 107133409 is about 474.9431643908.

The spelling of 107133409 in words is "one hundred seven million, one hundred thirty-three thousand, four hundred nine".

Divisors: 1 2129 50321 107133409