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40569330 = 2351352311
BaseRepresentation
bin1001101011000…
…0100111110010
32211100010122210
42122300213302
540341204310
64005312550
71001555634
oct232604762
984303583
1040569330
112099a37a
1211705756
138535a29
145560a54
153865820
hex26b09f2

40569330 has 16 divisors (see below), whose sum is σ = 97366464. Its totient is φ = 10818480.

The previous prime is 40569317. The next prime is 40569379. The reversal of 40569330 is 3396504.

It is a happy number.

40569330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1352311 = 40569330 / (4 + 0 + 5 + 6 + 9 + 3 + 3 + 0).

It is an unprimeable number.

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, 676126 + ... + 676185.

It is an arithmetic number, because the mean of its divisors is an integer number (6085404).

Almost surely, 240569330 is an apocalyptic number.

40569330 is an abundant number, since it is smaller than the sum of its proper divisors (56797134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40569330 is a wasteful number, since it uses less digits than its factorization.

40569330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352321.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 40569330 is about 6369.4057807617. The cubic root of 40569330 is about 343.6101191747.

The spelling of 40569330 in words is "forty million, five hundred sixty-nine thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1352311 2704622 4056933 6761555 8113866 13523110 20284665 40569330