Search a number
-
+
80797473 = 334369593
BaseRepresentation
bin1001101000011…
…01111100100001
312122000221022000
410310031330201
5131141004343
612003434213
72000524101
oct464157441
9178027260
1080797473
1141676379
1223085969
131397c373
14aa33201
15715eed3
hex4d0df21

80797473 has 16 divisors (see below), whose sum is σ = 122485440. Its totient is φ = 52611552.

The previous prime is 80797471. The next prime is 80797499. The reversal of 80797473 is 37479708.

It is not a de Polignac number, because 80797473 - 21 = 80797471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80797471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33636 + ... + 35957.

It is an arithmetic number, because the mean of its divisors is an integer number (7655340).

Almost surely, 280797473 is an apocalyptic number.

It is an amenable number.

80797473 is a deficient number, since it is larger than the sum of its proper divisors (41687967).

80797473 is a wasteful number, since it uses less digits than its factorization.

80797473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69645 (or 69639 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 80797473 is about 8988.7414580685. The cubic root of 80797473 is about 432.3139596577.

The spelling of 80797473 in words is "eighty million, seven hundred ninety-seven thousand, four hundred seventy-three".

Divisors: 1 3 9 27 43 129 387 1161 69593 208779 626337 1879011 2992499 8977497 26932491 80797473