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106687263 = 335562421
BaseRepresentation
bin1100101101111…
…10101100011111
321102202021102010
412112332230133
5204302443023
614330402303
72433553404
oct626765437
9242667363
10106687263
11552497a1
122b890393
1319145577
14102522ab
159576093
hex65beb1f

106687263 has 4 divisors (see below), whose sum is σ = 142249688. Its totient is φ = 71124840.

The previous prime is 106687211. The next prime is 106687277. The reversal of 106687263 is 362786601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362786601 = 3120928867.

It is not a de Polignac number, because 106687263 - 26 = 106687199 is a prime.

It is a super-2 number, since 2×1066872632 = 22764344172862338, 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 (106687663) 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, 17781208 + ... + 17781213.

It is an arithmetic number, because the mean of its divisors is an integer number (35562422).

Almost surely, 2106687263 is an apocalyptic number.

106687263 is a deficient number, since it is larger than the sum of its proper divisors (35562425).

106687263 is an equidigital number, since it uses as much as digits as its factorization.

106687263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35562424.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 106687263 is about 10328.9526574576. The cubic root of 106687263 is about 474.2829632009.

The spelling of 106687263 in words is "one hundred six million, six hundred eighty-seven thousand, two hundred sixty-three".

Divisors: 1 3 35562421 106687263