Search a number
-
+
80807048 = 2371442983
BaseRepresentation
bin1001101000100…
…00010010001000
312122001102102122
410310100102020
5131141311143
612003550412
72000564030
oct464202210
9178042378
1080807048
1141682593
122308b408
131398382a
14aa368c0
157162c68
hex4d10488

80807048 has 16 divisors (see below), whose sum is σ = 173158080. Its totient is φ = 34631568.

The previous prime is 80807047. The next prime is 80807081. The reversal of 80807048 is 84070808.

It is a junction number, because it is equal to n+sod(n) for n = 80806999 and 80807017.

It is not an unprimeable number, because it can be changed into a prime (80807047) 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, 721436 + ... + 721547.

It is an arithmetic number, because the mean of its divisors is an integer number (10822380).

Almost surely, 280807048 is an apocalyptic number.

It is an amenable number.

80807048 is an abundant number, since it is smaller than the sum of its proper divisors (92351032).

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

80807048 is a wasteful number, since it uses less digits than its factorization.

80807048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442996 (or 1442992 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 80807048 is about 8989.2740530034. The cubic root of 80807048 is about 432.3310362753.

The spelling of 80807048 in words is "eighty million, eight hundred seven thousand, forty-eight".

Divisors: 1 2 4 7 8 14 28 56 1442983 2885966 5771932 10100881 11543864 20201762 40403524 80807048