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80468305 = 5151110651
BaseRepresentation
bin1001100101111…
…01100101010001
312121102012202121
410302331211101
5131044441210
611552414241
71664653321
oct462754521
9177365677
1080468305
1141471035
1222b47381
13138955a8
14a989281
1570e76da
hex4cbd951

80468305 has 8 divisors (see below), whose sum is σ = 96634944. Its totient is φ = 64326000.

The previous prime is 80468299. The next prime is 80468357. The reversal of 80468305 is 50386408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80468305 - 27 = 80468177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2230 + ... + 12880.

It is an arithmetic number, because the mean of its divisors is an integer number (12079368).

Almost surely, 280468305 is an apocalyptic number.

It is an amenable number.

80468305 is a deficient number, since it is larger than the sum of its proper divisors (16166639).

80468305 is a wasteful number, since it uses less digits than its factorization.

80468305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12167.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 80468305 is about 8970.4127552750. The cubic root of 80468305 is about 431.7260798518.

The spelling of 80468305 in words is "eighty million, four hundred sixty-eight thousand, three hundred five".

Divisors: 1 5 1511 7555 10651 53255 16093661 80468305