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2488651 = 11226241
BaseRepresentation
bin1001011111100101001011
311200102210021
421133211023
51114114101
6125201311
730103354
oct11374513
94612707
102488651
11144a840
12a00237
13691999
1448ad2b
153425a1
hex25f94b

2488651 has 4 divisors (see below), whose sum is σ = 2714904. Its totient is φ = 2262400.

The previous prime is 2488609. The next prime is 2488667. The reversal of 2488651 is 1568842.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2488651 - 219 = 1964363 is a prime.

It is a Duffinian number.

2488651 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2482651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113110 + ... + 113131.

It is an arithmetic number, because the mean of its divisors is an integer number (678726).

22488651 is an apocalyptic number.

2488651 is the 706-th centered decagonal number.

2488651 is a deficient number, since it is larger than the sum of its proper divisors (226253).

2488651 is a wasteful number, since it uses less digits than its factorization.

2488651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226252.

The product of its digits is 15360, while the sum is 34.

The square root of 2488651 is about 1577.5458788891. The cubic root of 2488651 is about 135.5151964366.

The spelling of 2488651 in words is "two million, four hundred eighty-eight thousand, six hundred fifty-one".

Divisors: 1 11 226241 2488651