Search a number
-
+
80285595 = 3513411721
BaseRepresentation
bin1001100100100…
…00111110011011
312121001221010120
410302100332123
5131023114340
611544444323
71663262535
oct462207633
9177057116
1080285595
1141356835
1222a796a3
1313830390
14a93c855
1570ad4d0
hex4c90f9b

80285595 has 16 divisors (see below), whose sum is σ = 138338592. Its totient is φ = 39525120.

The previous prime is 80285573. The next prime is 80285603. The reversal of 80285595 is 59558208.

It is not a de Polignac number, because 80285595 - 25 = 80285563 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205666 + ... + 206055.

It is an arithmetic number, because the mean of its divisors is an integer number (8646162).

Almost surely, 280285595 is an apocalyptic number.

80285595 is a deficient number, since it is larger than the sum of its proper divisors (58052997).

80285595 is a wasteful number, since it uses less digits than its factorization.

80285595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411742.

The product of its (nonzero) digits is 144000, while the sum is 42.

The square root of 80285595 is about 8960.2229324945. Note that the first 3 decimals coincide. The cubic root of 80285595 is about 431.3990755354.

The spelling of 80285595 in words is "eighty million, two hundred eighty-five thousand, five hundred ninety-five".

Divisors: 1 3 5 13 15 39 65 195 411721 1235163 2058605 5352373 6175815 16057119 26761865 80285595