Search a number
-
+
80748 = 22322243
BaseRepresentation
bin10011101101101100
311002202200
4103231230
510040443
61421500
7454263
oct235554
9132680
1080748
1155738
123a890
132a9a5
14215da
1518dd3
hex13b6c

80748 has 18 divisors (see below), whose sum is σ = 204204. Its totient is φ = 26904.

The previous prime is 80747. The next prime is 80749. The reversal of 80748 is 84708.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80747) and next prime (80749).

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (80747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1086 + ... + 1157.

280748 is an apocalyptic number.

It is an amenable number.

80748 is an abundant number, since it is smaller than the sum of its proper divisors (123456).

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

80748 is a wasteful number, since it uses less digits than its factorization.

80748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253 (or 2248 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 80748 is about 284.1619256692. The cubic root of 80748 is about 43.2225705102. Note that the first 3 decimals are identical.

It can be divided in two parts, 80 and 748, that added together give a palindrome (828).

The spelling of 80748 in words is "eighty thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 2243 4486 6729 8972 13458 20187 26916 40374 80748