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44285405387 = 971932365547
BaseRepresentation
bin101001001111100111…
…011010100011001011
311020022022210200112112
4221033213122203023
51211144030433022
632202221532535
73125301510026
oct511747324313
9136268720475
1044285405387
1117865a58593
1286bb11414b
134239b61ab2
1422017b61bd
151242d368e2
hexa4f9da8cb

44285405387 has 8 divisors (see below), whose sum is σ = 44973798576. Its totient is φ = 43601743872.

The previous prime is 44285405363. The next prime is 44285405393. The reversal of 44285405387 is 78350458244.

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 44285405387 - 212 = 44285401291 is a prime.

It is a super-2 number, since 2×442854053872 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44285405327) 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, 1164053 + ... + 1201494.

It is an arithmetic number, because the mean of its divisors is an integer number (5621724822).

Almost surely, 244285405387 is an apocalyptic number.

44285405387 is a deficient number, since it is larger than the sum of its proper divisors (688393189).

44285405387 is a wasteful number, since it uses less digits than its factorization.

44285405387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365837.

The product of its (nonzero) digits is 4300800, while the sum is 50.

The spelling of 44285405387 in words is "forty-four billion, two hundred eighty-five million, four hundred five thousand, three hundred eighty-seven".

Divisors: 1 97 193 18721 2365547 229458059 456550571 44285405387