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40968973 = 251163223
BaseRepresentation
bin1001110001001…
…0001100001101
32212002102212101
42130102030031
540442001343
64022035101
71005142033
oct234221415
985072771
1040968973
1121142661
1211878a91
1386458c6
145626553
1538e3e4d
hex271230d

40968973 has 4 divisors (see below), whose sum is σ = 41132448. Its totient is φ = 40805500.

The previous prime is 40968923. The next prime is 40968979. The reversal of 40968973 is 37986904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40968973 - 29 = 40968461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40968979) 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 3 ways as a sum of consecutive naturals, for example, 81361 + ... + 81862.

It is an arithmetic number, because the mean of its divisors is an integer number (10283112).

Almost surely, 240968973 is an apocalyptic number.

It is an amenable number.

40968973 is a deficient number, since it is larger than the sum of its proper divisors (163475).

40968973 is a wasteful number, since it uses less digits than its factorization.

40968973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163474.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 40968973 is about 6400.7009772368. The cubic root of 40968973 is about 344.7347201069.

The spelling of 40968973 in words is "forty million, nine hundred sixty-eight thousand, nine hundred seventy-three".

Divisors: 1 251 163223 40968973