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45284669 = 48792987
BaseRepresentation
bin1010110010111…
…1110100111101
310011012200212222
42230233310331
543043102134
64254335125
71056625163
oct254576475
9104180788
1045284669
1123620051
12131ba4a5
1394c7081
14602b233
153e97a2e
hex2b2fd3d

45284669 has 4 divisors (see below), whose sum is σ = 45378144. Its totient is φ = 45191196.

The previous prime is 45284621. The next prime is 45284699. The reversal of 45284669 is 96648254.

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 a de Polignac number, because none of the positive numbers 2k-45284669 is a prime.

It is a super-2 number, since 2×452846692 = 4101402492879122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45284699) 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, 46007 + ... + 46980.

It is an arithmetic number, because the mean of its divisors is an integer number (11344536).

Almost surely, 245284669 is an apocalyptic number.

It is an amenable number.

45284669 is a deficient number, since it is larger than the sum of its proper divisors (93475).

45284669 is an equidigital number, since it uses as much as digits as its factorization.

45284669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93474.

The product of its digits is 414720, while the sum is 44.

The square root of 45284669 is about 6729.3884566133. The cubic root of 45284669 is about 356.4377820314.

The spelling of 45284669 in words is "forty-five million, two hundred eighty-four thousand, six hundred sixty-nine".

Divisors: 1 487 92987 45284669