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40500349 = 94742767
BaseRepresentation
bin1001101001111…
…1110001111101
32211012122000221
42122133301331
540332002344
64004021341
71001150551
oct232376175
984178027
1040500349
112095256a
1211691851
138510506
145543861
153850184
hex269fc7d

40500349 has 4 divisors (see below), whose sum is σ = 40544064. Its totient is φ = 40456636.

The previous prime is 40500347. The next prime is 40500359. The reversal of 40500349 is 94300504.

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 40500349 - 21 = 40500347 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 (40500347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20437 + ... + 22330.

It is an arithmetic number, because the mean of its divisors is an integer number (10136016).

Almost surely, 240500349 is an apocalyptic number.

It is an amenable number.

40500349 is a deficient number, since it is larger than the sum of its proper divisors (43715).

40500349 is an equidigital number, since it uses as much as digits as its factorization.

40500349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43714.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 40500349 is about 6363.9884506495. The cubic root of 40500349 is about 343.4152591959.

The spelling of 40500349 in words is "forty million, five hundred thousand, three hundred forty-nine".

Divisors: 1 947 42767 40500349