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80241444 = 223215714197
BaseRepresentation
bin1001100100001…
…10001100100100
312120222200120100
410302012030210
5131020211234
611543504100
71663020033
oct462061444
9176880510
1080241444
1141326648
1222a58030
131381625a
14a92a71a
1570a0399
hex4c86324

80241444 has 36 divisors (see below), whose sum is σ = 204138844. Its totient is φ = 26574912.

The previous prime is 80241443. The next prime is 80241451. The reversal of 80241444 is 44414208.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58339044 + 21902400 = 7638^2 + 4680^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (80241443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1447 + ... + 12750.

Almost surely, 280241444 is an apocalyptic number.

It is an amenable number.

80241444 is an abundant number, since it is smaller than the sum of its proper divisors (123897400).

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

80241444 is a wasteful number, since it uses less digits than its factorization.

80241444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14364 (or 14359 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 80241444 is about 8957.7588715035. The cubic root of 80241444 is about 431.3199820896.

The spelling of 80241444 in words is "eighty million, two hundred forty-one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 157 314 471 628 942 1413 1884 2826 5652 14197 28394 42591 56788 85182 127773 170364 255546 511092 2228929 4457858 6686787 8915716 13373574 20060361 26747148 40120722 80241444