Search a number
-
+
80331492 = 2238637757
BaseRepresentation
bin1001100100111…
…00001011100100
312121011021002110
410302130023210
5131031101432
611545441020
71663543413
oct462341344
9177137073
1080331492
114138826a
1222aa0170
1313848237
14a95147a
1570bbdcc
hex4c9c2e4

80331492 has 24 divisors (see below), whose sum is σ = 187681536. Its totient is φ = 26742688.

The previous prime is 80331491. The next prime is 80331521. The reversal of 80331492 is 29413308.

It is not an unprimeable number, because it can be changed into a prime (80331491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6478 + ... + 14234.

It is an arithmetic number, because the mean of its divisors is an integer number (7820064).

Almost surely, 280331492 is an apocalyptic number.

It is an amenable number.

80331492 is an abundant number, since it is smaller than the sum of its proper divisors (107350044).

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

80331492 is a wasteful number, since it uses less digits than its factorization.

80331492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8627 (or 8625 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 80331492 is about 8962.7837193586. The cubic root of 80331492 is about 431.4812660851.

The spelling of 80331492 in words is "eighty million, three hundred thirty-one thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 863 1726 2589 3452 5178 7757 10356 15514 23271 31028 46542 93084 6694291 13388582 20082873 26777164 40165746 80331492