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44047971 = 3211444929
BaseRepresentation
bin1010100000000…
…1111001100011
310001212212110100
42220001321203
542234013341
64212033443
71043254512
oct250017143
9101785410
1044047971
1122955990
1212902883
1391831b6
145bc8679
153d013b6
hex2a01e63

44047971 has 12 divisors (see below), whose sum is σ = 69409080. Its totient is φ = 26695680.

The previous prime is 44047963. The next prime is 44047987. The reversal of 44047971 is 17974044.

It is not a de Polignac number, because 44047971 - 23 = 44047963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44047961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222366 + ... + 222563.

It is an arithmetic number, because the mean of its divisors is an integer number (5784090).

Almost surely, 244047971 is an apocalyptic number.

44047971 is a deficient number, since it is larger than the sum of its proper divisors (25361109).

44047971 is a wasteful number, since it uses less digits than its factorization.

44047971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444946 (or 444943 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 44047971 is about 6636.8645458530. The cubic root of 44047971 is about 353.1630856773.

The spelling of 44047971 in words is "forty-four million, forty-seven thousand, nine hundred seventy-one".

Divisors: 1 3 9 11 33 99 444929 1334787 4004361 4894219 14682657 44047971