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44311405 = 513167651
BaseRepresentation
bin1010100100001…
…0001101101101
310002101020211011
42221002031231
542320431110
64221425221
71045432525
oct251021555
9102336734
1044311405
11230158a6
1212a0b211
139246088
145c56685
153d5448a
hex2a4236d

44311405 has 8 divisors (see below), whose sum is σ = 53580384. Its totient is φ = 35178000.

The previous prime is 44311381. The next prime is 44311411. The reversal of 44311405 is 50411344.

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

It is not a de Polignac number, because 44311405 - 25 = 44311373 is a prime.

It is a super-2 number, since 2×443114052 = 3927001226148050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33171 + ... + 34480.

It is an arithmetic number, because the mean of its divisors is an integer number (6697548).

Almost surely, 244311405 is an apocalyptic number.

It is an amenable number.

44311405 is a deficient number, since it is larger than the sum of its proper divisors (9268979).

44311405 is a wasteful number, since it uses less digits than its factorization.

44311405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67787.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 44311405 is about 6656.6812301627. The cubic root of 44311405 is about 353.8657310493.

Adding to 44311405 its reverse (50411344), we get a palindrome (94722749).

The spelling of 44311405 in words is "forty-four million, three hundred eleven thousand, four hundred five".

Divisors: 1 5 131 655 67651 338255 8862281 44311405