Search a number
-
+
105957969 = 3133187641
BaseRepresentation
bin1100101000011…
…00101001010001
321101101020000020
412110030221101
5204111123334
614303014053
72424425235
oct624145121
9241336006
10105957969
11548a0877
122b59a329
1318c4b630
14101025c5
15947ee49
hex650ca51

105957969 has 16 divisors (see below), whose sum is σ = 157054464. Its totient is φ = 63100800.

The previous prime is 105957949. The next prime is 105957979. The reversal of 105957969 is 969759501.

It is a happy number.

It is not a de Polignac number, because 105957969 - 25 = 105957937 is a prime.

It is a super-2 number, since 2×1059579692 = 22454182389209922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105957949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42612 + ... + 45029.

It is an arithmetic number, because the mean of its divisors is an integer number (9815904).

Almost surely, 2105957969 is an apocalyptic number.

It is an amenable number.

105957969 is a deficient number, since it is larger than the sum of its proper divisors (51096495).

105957969 is a wasteful number, since it uses less digits than its factorization.

105957969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87688.

The product of its (nonzero) digits is 765450, while the sum is 51.

The square root of 105957969 is about 10293.5887327987. The cubic root of 105957969 is about 473.1997883631.

The spelling of 105957969 in words is "one hundred five million, nine hundred fifty-seven thousand, nine hundred sixty-nine".

Divisors: 1 3 13 31 39 93 403 1209 87641 262923 1139333 2716871 3417999 8150613 35319323 105957969