Search a number
-
+
80748048 = 2431682251
BaseRepresentation
bin1001101000000…
…01111000010000
312121221102111110
410310001320100
5131132414143
612002413320
72000230023
oct464017020
9177842443
1080748048
1141642227
1223061240
1313962a14
14aa1d1ba
157150533
hex4d01e10

80748048 has 20 divisors (see below), whose sum is σ = 208599248. Its totient is φ = 26916000.

The previous prime is 80748047. The next prime is 80748071. The reversal of 80748048 is 84084708.

It is a junction number, because it is equal to n+sod(n) for n = 80747997 and 80748015.

It is not an unprimeable number, because it can be changed into a prime (80748047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841078 + ... + 841173.

Almost surely, 280748048 is an apocalyptic number.

It is an amenable number.

80748048 is an abundant number, since it is smaller than the sum of its proper divisors (127851200).

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

80748048 is a wasteful number, since it uses less digits than its factorization.

80748048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682262 (or 1682256 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 80748048 is about 8985.9917649640. The cubic root of 80748048 is about 432.2257907459.

The spelling of 80748048 in words is "eighty million, seven hundred forty-eight thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1682251 3364502 5046753 6729004 10093506 13458008 20187012 26916016 40374024 80748048