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45290887 = 234794111
BaseRepresentation
bin1010110011000…
…1010110000111
310011020000102021
42230301112013
543043302022
64254424011
71056652255
oct254612607
9104200367
1045290887
1123624794
1213202007
1394c9b55
14602d5d5
153e997c7
hex2b31587

45290887 has 8 divisors (see below), whose sum is σ = 47370240. Its totient is φ = 43220760.

The previous prime is 45290863. The next prime is 45290893. The reversal of 45290887 is 78809254.

45290887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45290887 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 (45290807) by changing a digit.

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, 8962 + ... + 13072.

It is an arithmetic number, because the mean of its divisors is an integer number (5921280).

Almost surely, 245290887 is an apocalyptic number.

45290887 is a deficient number, since it is larger than the sum of its proper divisors (2079353).

45290887 is a wasteful number, since it uses less digits than its factorization.

45290887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 45290887 is about 6729.8504441035. The cubic root of 45290887 is about 356.4540953426.

The spelling of 45290887 in words is "forty-five million, two hundred ninety thousand, eight hundred eighty-seven".

Divisors: 1 23 479 4111 11017 94553 1969169 45290887