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40669107 = 329643727
BaseRepresentation
bin1001101100100…
…0111110110011
32211112012112020
42123020332303
540402402412
64011402523
71002452553
oct233107663
984465466
1040669107
1120a58336
1211753443
13856c27b
145589163
15388518c
hex26c8fb3

40669107 has 16 divisors (see below), whose sum is σ = 56259840. Its totient is φ = 26101152.

The previous prime is 40669091. The next prime is 40669133. The reversal of 40669107 is 70196604.

It is a happy number.

It is not a de Polignac number, because 40669107 - 24 = 40669091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40669157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55578 + ... + 56304.

It is an arithmetic number, because the mean of its divisors is an integer number (3516240).

Almost surely, 240669107 is an apocalyptic number.

40669107 is a deficient number, since it is larger than the sum of its proper divisors (15590733).

40669107 is a wasteful number, since it uses less digits than its factorization.

40669107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 40669107 is about 6377.2334910994. The cubic root of 40669107 is about 343.8915823608.

The spelling of 40669107 in words is "forty million, six hundred sixty-nine thousand, one hundred seven".

Divisors: 1 3 29 87 643 727 1929 2181 18647 21083 55941 63249 467461 1402383 13556369 40669107