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40806790 = 254080679
BaseRepresentation
bin1001101110101…
…0100110000110
32211210012101121
42123222212012
540421304130
64014344154
71003565143
oct233524606
984705347
1040806790
1121041822
12117bb05a
1385b9b3b
1455c33ca
1538b0d7a
hex26ea986

40806790 has 8 divisors (see below), whose sum is σ = 73452240. Its totient is φ = 16322712.

The previous prime is 40806719. The next prime is 40806791. The reversal of 40806790 is 9760804.

40806790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×408067902 = 3330388220208200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40806791) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2040330 + ... + 2040349.

It is an arithmetic number, because the mean of its divisors is an integer number (9181530).

Almost surely, 240806790 is an apocalyptic number.

40806790 is a deficient number, since it is larger than the sum of its proper divisors (32645450).

40806790 is a wasteful number, since it uses less digits than its factorization.

40806790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080686.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 40806790 is about 6388.0192548238. The cubic root of 40806790 is about 344.2792205226.

The spelling of 40806790 in words is "forty million, eight hundred six thousand, seven hundred ninety".

Divisors: 1 2 5 10 4080679 8161358 20403395 40806790