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44435431 = 314134961
BaseRepresentation
bin1010100110000…
…0011111100111
310002121112221201
42221200133213
542333413211
64224223331
71046460235
oct251403747
9102545851
1044435431
112309aaa7
1212a6ab47
13928a671
145c89955
153d7b0c1
hex2a607e7

44435431 has 8 divisors (see below), whose sum is σ = 46988928. Its totient is φ = 41952000.

The previous prime is 44435429. The next prime is 44435441. The reversal of 44435431 is 13453444.

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 44435431 - 21 = 44435429 is a prime.

It is a super-2 number, since 2×444354312 = 3949015056311522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44435431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44435401) 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, 16210 + ... + 18751.

It is an arithmetic number, because the mean of its divisors is an integer number (5873616).

Almost surely, 244435431 is an apocalyptic number.

44435431 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

44435431 is a deficient number, since it is larger than the sum of its proper divisors (2553497).

44435431 is a wasteful number, since it uses less digits than its factorization.

44435431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35033.

The product of its digits is 11520, while the sum is 28.

The square root of 44435431 is about 6665.9906240558. The cubic root of 44435431 is about 354.1955759070.

Adding to 44435431 its reverse (13453444), we get a palindrome (57888875).

The spelling of 44435431 in words is "forty-four million, four hundred thirty-five thousand, four hundred thirty-one".

Divisors: 1 31 41 1271 34961 1083791 1433401 44435431