Search a number
-
+
2481985 = 51145127
BaseRepresentation
bin1001011101111101000001
311200002122101
421131331001
51113410420
6125110401
730045052
oct11357501
94602571
102481985
111445830
129b8401
1368b93c
14488729
1534060a
hex25df41

2481985 has 8 divisors (see below), whose sum is σ = 3249216. Its totient is φ = 1805040.

The previous prime is 2481979. The next prime is 2482009. The reversal of 2481985 is 5891842.

2481985 = 4702 + 4712 + ... + 4802.

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

It is not a de Polignac number, because 2481985 - 23 = 2481977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22509 + ... + 22618.

It is an arithmetic number, because the mean of its divisors is an integer number (406152).

22481985 is an apocalyptic number.

It is an amenable number.

2481985 is a deficient number, since it is larger than the sum of its proper divisors (767231).

2481985 is a wasteful number, since it uses less digits than its factorization.

2481985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45143.

The product of its digits is 23040, while the sum is 37.

The square root of 2481985 is about 1575.4316868719. The cubic root of 2481985 is about 135.3940930683.

The spelling of 2481985 in words is "two million, four hundred eighty-one thousand, nine hundred eighty-five".

Divisors: 1 5 11 55 45127 225635 496397 2481985