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80441444 = 2220110361
BaseRepresentation
bin1001100101101…
…11000001100100
312121100211220202
410302313001210
5131043111234
611552050032
71664512106
oct462670144
9177324822
1080441444
1141452936
1222b33918
13138862b5
14a97d576
1570de77e
hex4cb7064

80441444 has 6 divisors (see below), whose sum is σ = 140772534. Its totient is φ = 40220720.

The previous prime is 80441437. The next prime is 80441477. The reversal of 80441444 is 44414408.

It can be written as a sum of positive squares in only one way, i.e., 71199844 + 9241600 = 8438^2 + 3040^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055177 + ... + 10055184.

It is an arithmetic number, because the mean of its divisors is an integer number (23462089).

Almost surely, 280441444 is an apocalyptic number.

It is an amenable number.

80441444 is a deficient number, since it is larger than the sum of its proper divisors (60331090).

80441444 is a wasteful number, since it uses less digits than its factorization.

80441444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20110365 (or 20110363 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

The square root of 80441444 is about 8968.9154305300. The cubic root of 80441444 is about 431.6780365681.

The spelling of 80441444 in words is "eighty million, four hundred forty-one thousand, four hundred forty-four".

Divisors: 1 2 4 20110361 40220722 80441444