Search a number
-
+
80488386 = 23211406507
BaseRepresentation
bin1001100110000…
…10011111000010
312121110020022100
410303002133002
5131101112021
611553051230
71665066006
oct463023702
9177406270
1080488386
1141485130
1222b56b16
13138a1784
14a992706
1570ed626
hex4cc27c2

80488386 has 24 divisors (see below), whose sum is σ = 190245744. Its totient is φ = 24390360.

The previous prime is 80488381. The next prime is 80488399. The reversal of 80488386 is 68388408.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80488381) 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, 203056 + ... + 203451.

It is an arithmetic number, because the mean of its divisors is an integer number (7926906).

Almost surely, 280488386 is an apocalyptic number.

80488386 is an abundant number, since it is smaller than the sum of its proper divisors (109757358).

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

80488386 is a wasteful number, since it uses less digits than its factorization.

80488386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406526 (or 406523 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 80488386 is about 8971.5319762012. The cubic root of 80488386 is about 431.7619895197.

The spelling of 80488386 in words is "eighty million, four hundred eighty-eight thousand, three hundred eighty-six".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 406507 813014 1219521 2439042 3658563 4471577 7317126 8943154 13414731 26829462 40244193 80488386