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44401985 = 543320509
BaseRepresentation
bin1010100101100…
…0010101000001
310002112212001222
42221120111001
542331330420
64223404425
71046260565
oct251302501
9102485058
1044401985
1123077961
1212a53715
139278384
145c7b6a5
153d71225
hex2a58541

44401985 has 8 divisors (see below), whose sum is σ = 53408040. Its totient is φ = 35437824.

The previous prime is 44401963. The next prime is 44401991. The reversal of 44401985 is 58910444.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 152881 + 44249104 = 391^2 + 6652^2 .

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 44401985 - 26 = 44401921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8090 + ... + 12419.

It is an arithmetic number, because the mean of its divisors is an integer number (6676005).

Almost surely, 244401985 is an apocalyptic number.

It is an amenable number.

44401985 is a deficient number, since it is larger than the sum of its proper divisors (9006055).

44401985 is a wasteful number, since it uses less digits than its factorization.

44401985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20947.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 44401985 is about 6663.4814474117. The cubic root of 44401985 is about 354.1066873900.

The spelling of 44401985 in words is "forty-four million, four hundred one thousand, nine hundred eighty-five".

Divisors: 1 5 433 2165 20509 102545 8880397 44401985