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44357431 = 614911481
BaseRepresentation
bin1010100100110…
…1011100110111
310002110120221211
42221031130313
542323414211
64222422251
71046013646
oct251153467
9102416854
1044357431
1123047438
1212a31987
139261001
145c6935d
153d62e21
hex2a4d737

44357431 has 8 divisors (see below), whose sum is σ = 45206928. Its totient is φ = 43512000.

The previous prime is 44357399. The next prime is 44357447. The reversal of 44357431 is 13475344.

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 44357431 - 25 = 44357399 is a prime.

It is a super-2 number, since 2×443574312 = 3935163369839522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44357393 and 44357402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44357461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29211 + ... + 30691.

It is an arithmetic number, because the mean of its divisors is an integer number (5650866).

Almost surely, 244357431 is an apocalyptic number.

44357431 is a deficient number, since it is larger than the sum of its proper divisors (849497).

44357431 is a wasteful number, since it uses less digits than its factorization.

44357431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033.

The product of its digits is 20160, while the sum is 31.

The square root of 44357431 is about 6660.1374610439. The cubic root of 44357431 is about 353.9882080828.

The spelling of 44357431 in words is "forty-four million, three hundred fifty-seven thousand, four hundred thirty-one".

Divisors: 1 61 491 1481 29951 90341 727171 44357431