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45344621 = 719340937
BaseRepresentation
bin1010110011111…
…0011101101101
310011022202010102
42230332131231
543102011441
64255520445
71060265030
oct254763555
9104282112
1045344621
11236610a3
1213229125
13951844a
146045017
153eaa69b
hex2b3e76d

45344621 has 8 divisors (see below), whose sum is σ = 54550080. Its totient is φ = 36821088.

The previous prime is 45344591. The next prime is 45344641. The reversal of 45344621 is 12644354.

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

It is a de Polignac number, because none of the positive numbers 2k-45344621 is a prime.

It is a super-2 number, since 2×453446212 = 4112269307267282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45344641) 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 7 ways as a sum of consecutive naturals, for example, 170336 + ... + 170601.

It is an arithmetic number, because the mean of its divisors is an integer number (6818760).

Almost surely, 245344621 is an apocalyptic number.

It is an amenable number.

45344621 is a deficient number, since it is larger than the sum of its proper divisors (9205459).

45344621 is a wasteful number, since it uses less digits than its factorization.

45344621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340963.

The product of its digits is 11520, while the sum is 29.

The square root of 45344621 is about 6733.8414742255. The cubic root of 45344621 is about 356.5950076823.

Adding to 45344621 its reverse (12644354), we get a palindrome (57988975).

The spelling of 45344621 in words is "forty-five million, three hundred forty-four thousand, six hundred twenty-one".

Divisors: 1 7 19 133 340937 2386559 6477803 45344621