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44830421 = 375322861
BaseRepresentation
bin1010101100000…
…0111011010101
310010100121202222
42223000323111
542434033141
64240512125
71053023636
oct253007325
9103317688
1044830421
112333a839
121301b645
13939839c
145d4d88d
153e0814b
hex2ac0ed5

44830421 has 8 divisors (see below), whose sum is σ = 46912824. Its totient is φ = 42793920.

The previous prime is 44830417. The next prime is 44830439. The reversal of 44830421 is 12403844.

44830421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 31798321 + 13032100 = 5639^2 + 3610^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 44830421 - 22 = 44830417 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 (44830021) 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, 9470 + ... + 13391.

It is an arithmetic number, because the mean of its divisors is an integer number (5864103).

Almost surely, 244830421 is an apocalyptic number.

It is an amenable number.

44830421 is a deficient number, since it is larger than the sum of its proper divisors (2082403).

44830421 is a wasteful number, since it uses less digits than its factorization.

44830421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22951.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 44830421 is about 6695.5523297186. The cubic root of 44830421 is about 355.2419721736.

The spelling of 44830421 in words is "forty-four million, eight hundred thirty thousand, four hundred twenty-one".

Divisors: 1 37 53 1961 22861 845857 1211633 44830421