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44683213 = 45139901
BaseRepresentation
bin1010101001110…
…0111111001101
310010002010211211
42222130333031
542414330323
64233414421
71051541521
oct252347715
9103063754
1044683213
112324a183
1212b6a411
139346393
145d11d81
153dc970d
hex2a9cfcd

44683213 has 4 divisors (see below), whose sum is σ = 44697628. Its totient is φ = 44668800.

The previous prime is 44683189. The next prime is 44683217. The reversal of 44683213 is 31238644.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 18335524 + 26347689 = 4282^2 + 5133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-44683213 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 (44683217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438 + ... + 9463.

It is an arithmetic number, because the mean of its divisors is an integer number (11174407).

Almost surely, 244683213 is an apocalyptic number.

It is an amenable number.

44683213 is a deficient number, since it is larger than the sum of its proper divisors (14415).

44683213 is an equidigital number, since it uses as much as digits as its factorization.

44683213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14414.

The product of its digits is 13824, while the sum is 31.

The square root of 44683213 is about 6684.5503214502. The cubic root of 44683213 is about 354.8527141441.

The spelling of 44683213 in words is "forty-four million, six hundred eighty-three thousand, two hundred thirteen".

Divisors: 1 4513 9901 44683213