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40794657 = 326950551
BaseRepresentation
bin1001101110011…
…1101000100001
32211202120202020
42123213220201
540420412112
64014212053
71003514601
oct233475041
984676666
1040794657
11210336a2
12117b4029
1385b4467
1455bcc01
1538ac48c
hex26e7a21

40794657 has 8 divisors (see below), whose sum is σ = 54596160. Its totient is φ = 27094800.

The previous prime is 40794647. The next prime is 40794661. The reversal of 40794657 is 75649704.

40794657 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 not a de Polignac number, because 40794657 - 24 = 40794641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40794647) 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 7 ways as a sum of consecutive naturals, for example, 24469 + ... + 26082.

It is an arithmetic number, because the mean of its divisors is an integer number (6824520).

Almost surely, 240794657 is an apocalyptic number.

It is an amenable number.

40794657 is a deficient number, since it is larger than the sum of its proper divisors (13801503).

40794657 is a wasteful number, since it uses less digits than its factorization.

40794657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50823.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 40794657 is about 6387.0695158265. The cubic root of 40794657 is about 344.2450958598.

The spelling of 40794657 in words is "forty million, seven hundred ninety-four thousand, six hundred fifty-seven".

Divisors: 1 3 269 807 50551 151653 13598219 40794657