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40445207 = 116315827
BaseRepresentation
bin1001101001001…
…0010100010111
32211002211101122
42122102110113
540323221312
64002514155
71000531025
oct232222427
984084348
1040445207
11209150a0
121166595b
1384c139a
14552b715
15383db72
hex2692517

40445207 has 8 divisors (see below), whose sum is σ = 44199552. Its totient is φ = 36703800.

The previous prime is 40445203. The next prime is 40445233. The reversal of 40445207 is 70254404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40445207 - 22 = 40445203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40445203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4028 + ... + 9854.

It is an arithmetic number, because the mean of its divisors is an integer number (5524944).

Almost surely, 240445207 is an apocalyptic number.

40445207 is a deficient number, since it is larger than the sum of its proper divisors (3754345).

40445207 is a wasteful number, since it uses less digits than its factorization.

40445207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6469.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 40445207 is about 6359.6546289873. The cubic root of 40445207 is about 343.2593329271.

The spelling of 40445207 in words is "forty million, four hundred forty-five thousand, two hundred seven".

Divisors: 1 11 631 5827 6941 64097 3676837 40445207