Search a number
-
+
80207841 = 373819421
BaseRepresentation
bin1001100011111…
…01111111100001
312120220222110210
410301331333201
5131013122331
611543044333
71662520050
oct461757741
9176828423
1080207841
114130337a
1222a406a9
1313803b7c
14a91c397
157095446
hex4c7dfe1

80207841 has 8 divisors (see below), whose sum is σ = 122221504. Its totient is φ = 45833040.

The previous prime is 80207821. The next prime is 80207879. The reversal of 80207841 is 14870208.

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

It is not a de Polignac number, because 80207841 - 27 = 80207713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80207799 and 80207808.

It is not an unprimeable number, because it can be changed into a prime (80207821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1909690 + ... + 1909731.

It is an arithmetic number, because the mean of its divisors is an integer number (15277688).

Almost surely, 280207841 is an apocalyptic number.

It is an amenable number.

80207841 is a deficient number, since it is larger than the sum of its proper divisors (42013663).

80207841 is a wasteful number, since it uses less digits than its factorization.

80207841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819431.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 80207841 is about 8955.8830385395. The cubic root of 80207841 is about 431.2597652063.

The spelling of 80207841 in words is "eighty million, two hundred seven thousand, eight hundred forty-one".

Divisors: 1 3 7 21 3819421 11458263 26735947 80207841