Search a number
-
+
2580486 = 23430081
BaseRepresentation
bin1001110110000000000110
311212002202120
421312000012
51130033421
6131150410
730635166
oct11660006
94762676
102580486
111502837
12a45406
136c471c
144b25a6
1535e8c6
hex276006

2580486 has 8 divisors (see below), whose sum is σ = 5160984. Its totient is φ = 860160.

The previous prime is 2580469. The next prime is 2580493. The reversal of 2580486 is 6840852.

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

2580486 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215035 + ... + 215046.

It is an arithmetic number, because the mean of its divisors is an integer number (645123).

22580486 is an apocalyptic number.

2580486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2580486 is a wasteful number, since it uses less digits than its factorization.

2580486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430086.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 2580486 is about 1606.3891184890. The cubic root of 2580486 is about 137.1620084242.

The spelling of 2580486 in words is "two million, five hundred eighty thousand, four hundred eighty-six".

Divisors: 1 2 3 6 430081 860162 1290243 2580486