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80488 = 2310061
BaseRepresentation
bin10011101001101000
311002102001
4103221220
510033423
61420344
7453442
oct235150
9132361
1080488
1155521
123a6b4
132a835
1421492
1518cad
hex13a68

80488 has 8 divisors (see below), whose sum is σ = 150930. Its totient is φ = 40240.

The previous prime is 80473. The next prime is 80489. The reversal of 80488 is 88408.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 66564 + 13924 = 258^2 + 118^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (80489) by changing a digit.

80488 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5023 + ... + 5038.

280488 is an apocalyptic number.

It is an amenable number.

80488 is a deficient number, since it is larger than the sum of its proper divisors (70442).

80488 is a wasteful number, since it uses less digits than its factorization.

80488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067 (or 10063 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 80488 is about 283.7040711728. The cubic root of 80488 is about 43.1761299315.

The spelling of 80488 in words is "eighty thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 10061 20122 40244 80488