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106932649 = 131981071
BaseRepresentation
bin1100101111110…
…10100110101001
321110012202000111
412113322212221
5204333321044
614335534321
72435624665
oct627724651
9243182014
10106932649
11553a709a
122b98a3a1
1319200175
14102b78a5
1595c3b34
hex65fa9a9

106932649 has 4 divisors (see below), whose sum is σ = 107015040. Its totient is φ = 106850260.

The previous prime is 106932647. The next prime is 106932653. The reversal of 106932649 is 946239601.

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 106932649 - 21 = 106932647 is a prime.

It is a super-2 number, since 2×1069326492 = 22869182844314402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106932647) 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, 39217 + ... + 41854.

It is an arithmetic number, because the mean of its divisors is an integer number (26753760).

Almost surely, 2106932649 is an apocalyptic number.

It is an amenable number.

106932649 is a deficient number, since it is larger than the sum of its proper divisors (82391).

106932649 is an equidigital number, since it uses as much as digits as its factorization.

106932649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82390.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 106932649 is about 10340.8243868659. The cubic root of 106932649 is about 474.6463095566.

The spelling of 106932649 in words is "one hundred six million, nine hundred thirty-two thousand, six hundred forty-nine".

Divisors: 1 1319 81071 106932649