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40910979 = 331439903
BaseRepresentation
bin1001110000010…
…0000010000011
32211222111022110
42130010002003
540433122404
64020510403
71004510664
oct234040203
984874273
1040910979
112110302a
121184b403
1386253a5
14560d36b
1538d1b89
hex2704083

40910979 has 8 divisors (see below), whose sum is σ = 56307712. Its totient is φ = 26394120.

The previous prime is 40910977. The next prime is 40910983. The reversal of 40910979 is 97901904.

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

It is not a de Polignac number, because 40910979 - 21 = 40910977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40910977) 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, 219859 + ... + 220044.

It is an arithmetic number, because the mean of its divisors is an integer number (7038464).

Almost surely, 240910979 is an apocalyptic number.

40910979 is a deficient number, since it is larger than the sum of its proper divisors (15396733).

40910979 is a wasteful number, since it uses less digits than its factorization.

40910979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439937.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 40910979 is about 6396.1690878212. The cubic root of 40910979 is about 344.5719791767.

The spelling of 40910979 in words is "forty million, nine hundred ten thousand, nine hundred seventy-nine".

Divisors: 1 3 31 93 439903 1319709 13636993 40910979