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40407107 = 133108239
BaseRepresentation
bin1001101000100…
…1000001000011
32211000220010112
42122021001003
540321011412
64002021535
71000311656
oct232110103
984026115
1040407107
1120899504
12116478ab
1384a9c40
14551b89d
153832722
hex2689043

40407107 has 4 divisors (see below), whose sum is σ = 43515360. Its totient is φ = 37298856.

The previous prime is 40407089. The next prime is 40407119. The reversal of 40407107 is 70170404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40407107 - 210 = 40406083 is a prime.

It is a super-2 number, since 2×404071072 = 3265468592218898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40407137) 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, 1554107 + ... + 1554132.

It is an arithmetic number, because the mean of its divisors is an integer number (10878840).

Almost surely, 240407107 is an apocalyptic number.

40407107 is a deficient number, since it is larger than the sum of its proper divisors (3108253).

40407107 is a wasteful number, since it uses less digits than its factorization.

40407107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108252.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 40407107 is about 6356.6584775336. The cubic root of 40407107 is about 343.1515138939.

The spelling of 40407107 in words is "forty million, four hundred seven thousand, one hundred seven".

Divisors: 1 13 3108239 40407107