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44444980 = 2252222249
BaseRepresentation
bin1010100110001…
…0110100110100
310002122001001101
42221202310310
542334214410
64224335444
71046530126
oct251426464
9102561041
1044444980
11230a7198
1212a74584
139291b08
145c8d216
153d7dd3a
hex2a62d34

44444980 has 12 divisors (see below), whose sum is σ = 93334500. Its totient is φ = 17777984.

The previous prime is 44444977. The next prime is 44444989. The reversal of 44444980 is 8944444.

It can be written as a sum of positive squares in 2 ways, for example, as 7551504 + 36893476 = 2748^2 + 6074^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44444989) 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, 1111105 + ... + 1111144.

It is an arithmetic number, because the mean of its divisors is an integer number (7777875).

Almost surely, 244444980 is an apocalyptic number.

It is an amenable number.

44444980 is an abundant number, since it is smaller than the sum of its proper divisors (48889520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44444980 is a wasteful number, since it uses less digits than its factorization.

44444980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222258 (or 2222256 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 44444980 is about 6666.7068332123. The cubic root of 44444980 is about 354.2209458369.

The spelling of 44444980 in words is "forty-four million, four hundred forty-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 2222249 4444498 8888996 11111245 22222490 44444980