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105932689 = 472253887
BaseRepresentation
bin1100101000001…
…10011110010001
321101022221022221
412110012132101
5204104321224
614302301041
72424261442
oct624063621
9241287287
10105932689
1154883885
122b587781
1318c3cc85
14100d72c9
1594776e4
hex6506791

105932689 has 4 divisors (see below), whose sum is σ = 108186624. Its totient is φ = 103678756.

The previous prime is 105932683. The next prime is 105932699. The reversal of 105932689 is 986239501.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 986239501 = 1375864577.

It is a cyclic number.

It is not a de Polignac number, because 105932689 - 23 = 105932681 is a prime.

It is a super-2 number, since 2×1059326892 = 22443469197541442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105932681) 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, 1126897 + ... + 1126990.

It is an arithmetic number, because the mean of its divisors is an integer number (27046656).

Almost surely, 2105932689 is an apocalyptic number.

It is an amenable number.

105932689 is a deficient number, since it is larger than the sum of its proper divisors (2253935).

105932689 is an equidigital number, since it uses as much as digits as its factorization.

105932689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253934.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 105932689 is about 10292.3607107408. The cubic root of 105932689 is about 473.1621525526.

The spelling of 105932689 in words is "one hundred five million, nine hundred thirty-two thousand, six hundred eighty-nine".

Divisors: 1 47 2253887 105932689