Search a number
-
+
80574895 = 523369163
BaseRepresentation
bin1001100110101…
…11100110101111
312121121121222101
410303113212233
5131111344040
611554555531
71665606142
oct463274657
9177547871
1080574895
1141534125
1222b98ba7
1313901c6b
14a9b6059
15711909a
hex4cd79af

80574895 has 8 divisors (see below), whose sum is σ = 97106256. Its totient is φ = 64182336.

The previous prime is 80574887. The next prime is 80574899. The reversal of 80574895 is 59847508.

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

It is a cyclic number.

It is not a de Polignac number, because 80574895 - 23 = 80574887 is a prime.

It is a super-2 number, since 2×805748952 = 12984627408522050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80574899) 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, 33417 + ... + 35746.

It is an arithmetic number, because the mean of its divisors is an integer number (12138282).

Almost surely, 280574895 is an apocalyptic number.

80574895 is a deficient number, since it is larger than the sum of its proper divisors (16531361).

80574895 is a wasteful number, since it uses less digits than its factorization.

80574895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69401.

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 80574895 is about 8976.3519873053. The cubic root of 80574895 is about 431.9166202106.

The spelling of 80574895 in words is "eighty million, five hundred seventy-four thousand, eight hundred ninety-five".

Divisors: 1 5 233 1165 69163 345815 16114979 80574895