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40741889 = 229717737
BaseRepresentation
bin1001101101101…
…0110000000001
32211122220100212
42123122300001
540412220024
64013123505
71003205006
oct233326001
984586325
1040741889
1120aa7a91
1211789595
138596436
1455a78ad
15389ba0e
hex26dac01

40741889 has 4 divisors (see below), whose sum is σ = 40761924. Its totient is φ = 40721856.

The previous prime is 40741879. The next prime is 40741891. The reversal of 40741889 is 98814704.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28174864 + 12567025 = 5308^2 + 3545^2 .

It is a cyclic number.

It is not a de Polignac number, because 40741889 - 212 = 40737793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40741849) 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, 6572 + ... + 11165.

It is an arithmetic number, because the mean of its divisors is an integer number (10190481).

Almost surely, 240741889 is an apocalyptic number.

It is an amenable number.

40741889 is a deficient number, since it is larger than the sum of its proper divisors (20035).

40741889 is a wasteful number, since it uses less digits than its factorization.

40741889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20034.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 40741889 is about 6382.9373332346. The cubic root of 40741889 is about 344.0966044935.

The spelling of 40741889 in words is "forty million, seven hundred forty-one thousand, eight hundred eighty-nine".

Divisors: 1 2297 17737 40741889