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40986965 = 544918257
BaseRepresentation
bin1001110001011…
…0100101010101
32212010100112202
42130112211111
540443040330
64022254245
71005245345
oct234264525
985110482
1040986965
1121155128
1211887385
138650b56
14562cd25
1538e9445
hex2716955

40986965 has 8 divisors (see below), whose sum is σ = 49296600. Its totient is φ = 32714752.

The previous prime is 40986923. The next prime is 40986997. The reversal of 40986965 is 56968904.

40986965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3066001 + 37920964 = 1751^2 + 6158^2 .

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 40986965 - 26 = 40986901 is a prime.

It is a super-2 number, since 2×409869652 = 3359862599822450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6884 + ... + 11373.

It is an arithmetic number, because the mean of its divisors is an integer number (6162075).

Almost surely, 240986965 is an apocalyptic number.

It is an amenable number.

40986965 is a deficient number, since it is larger than the sum of its proper divisors (8309635).

40986965 is a wasteful number, since it uses less digits than its factorization.

40986965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18711.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 40986965 is about 6402.1062940254. The cubic root of 40986965 is about 344.7851774725.

The spelling of 40986965 in words is "forty million, nine hundred eighty-six thousand, nine hundred sixty-five".

Divisors: 1 5 449 2245 18257 91285 8197393 40986965