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106657255 = 521331451
BaseRepresentation
bin1100101101101…
…11010111100111
321102200202020201
412112313113213
5204301013010
614330011331
72433400045
oct626672747
9242622221
10106657255
11552291a1
122b876b47
1319134a03
1410245395
15956c23a
hex65b75e7

106657255 has 4 divisors (see below), whose sum is σ = 127988712. Its totient is φ = 85325800.

The previous prime is 106657249. The next prime is 106657259. The reversal of 106657255 is 552756601.

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

It is not a de Polignac number, because 106657255 - 23 = 106657247 is a prime.

It is a super-2 number, since 2×1066572552 = 22751540088270050, 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 (106657259) 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, 10665721 + ... + 10665730.

It is an arithmetic number, because the mean of its divisors is an integer number (31997178).

Almost surely, 2106657255 is an apocalyptic number.

106657255 is a deficient number, since it is larger than the sum of its proper divisors (21331457).

106657255 is an equidigital number, since it uses as much as digits as its factorization.

106657255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21331456.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 106657255 is about 10327.4999394820. The cubic root of 106657255 is about 474.2384917325.

The spelling of 106657255 in words is "one hundred six million, six hundred fifty-seven thousand, two hundred fifty-five".

Divisors: 1 5 21331451 106657255