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44420003431 = 231931304497
BaseRepresentation
bin101001010111101000…
…110111011001100111
311020122201001222100021
4221113220313121213
51211433010102211
632223430500011
73131524541116
oct512750673147
9136581058307
1044420003431
1117924a30041
128738204607
13425b9ca3cb
142215611c7d
15124ea72771
hexa57a37667

44420003431 has 4 divisors (see below), whose sum is σ = 46351307952. Its totient is φ = 42488698912.

The previous prime is 44420003417. The next prime is 44420003449. The reversal of 44420003431 is 13430002444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44420003431 - 25 = 44420003399 is a prime.

It is a super-2 number, since 2×444200034312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44420003396 and 44420003405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44420003471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965652226 + ... + 965652271.

It is an arithmetic number, because the mean of its divisors is an integer number (11587826988).

Almost surely, 244420003431 is an apocalyptic number.

44420003431 is a deficient number, since it is larger than the sum of its proper divisors (1931304521).

44420003431 is a wasteful number, since it uses less digits than its factorization.

44420003431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931304520.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 44420003431 its reverse (13430002444), we get a palindrome (57850005875).

The spelling of 44420003431 in words is "forty-four billion, four hundred twenty million, three thousand, four hundred thirty-one".

Divisors: 1 23 1931304497 44420003431