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40441907 = 1123915383
BaseRepresentation
bin1001101001000…
…1100000110011
32211002122212102
42122101200303
540323120112
64002451015
71000515302
oct232214063
984078772
1040441907
1120912670
1211663a6b
1384bca2c
14552a439
15383cbc2
hex2691833

40441907 has 8 divisors (see below), whose sum is σ = 44305920. Its totient is φ = 36609160.

The previous prime is 40441901. The next prime is 40441931. The reversal of 40441907 is 70914404.

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 40441907 - 212 = 40437811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40441907.

It is not an unprimeable number, because it can be changed into a prime (40441901) 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 7 ways as a sum of consecutive naturals, for example, 5063 + ... + 10320.

It is an arithmetic number, because the mean of its divisors is an integer number (5538240).

Almost surely, 240441907 is an apocalyptic number.

40441907 is a deficient number, since it is larger than the sum of its proper divisors (3864013).

40441907 is a wasteful number, since it uses less digits than its factorization.

40441907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15633.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 40441907 is about 6359.3951756437. The cubic root of 40441907 is about 343.2499969498.

The spelling of 40441907 in words is "forty million, four hundred forty-one thousand, nine hundred seven".

Divisors: 1 11 239 2629 15383 169213 3676537 40441907