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44120407 = 1311392423
BaseRepresentation
bin1010100001001…
…1100101010111
310002000112211011
42220103211113
542243323112
64213353051
71044005632
oct250234527
9102015734
1044120407
11229a5351
1212938787
1391aa166
145c06c19
153d17aa7
hex2a13957

44120407 has 8 divisors (see below), whose sum is σ = 44795520. Its totient is φ = 43450680.

The previous prime is 44120369. The next prime is 44120429. The reversal of 44120407 is 70402144.

44120407 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 not a de Polignac number, because 44120407 - 211 = 44118359 is a prime.

It is a super-2 number, since 2×441204072 = 3893220627691298, 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 (44120437) 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, 16998 + ... + 19420.

It is an arithmetic number, because the mean of its divisors is an integer number (5599440).

Almost surely, 244120407 is an apocalyptic number.

44120407 is a deficient number, since it is larger than the sum of its proper divisors (675113).

44120407 is a wasteful number, since it uses less digits than its factorization.

44120407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 44120407 is about 6642.3193991256. The cubic root of 44120407 is about 353.3565695134.

The spelling of 44120407 in words is "forty-four million, one hundred twenty thousand, four hundred seven".

Divisors: 1 131 139 2423 18209 317413 336797 44120407