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2681245 = 5776607
BaseRepresentation
bin1010001110100110011101
312001012222101
422032212131
51141244440
6133245101
731535020
oct12164635
95035871
102681245
111571506
12a93791
1372b548
144db1b7
1537e69a
hex28e99d

2681245 has 8 divisors (see below), whose sum is σ = 3677184. Its totient is φ = 1838544.

The previous prime is 2681213. The next prime is 2681249. The reversal of 2681245 is 5421862.

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 2681245 - 25 = 2681213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38269 + ... + 38338.

It is an arithmetic number, because the mean of its divisors is an integer number (459648).

22681245 is an apocalyptic number.

It is an amenable number.

2681245 is a deficient number, since it is larger than the sum of its proper divisors (995939).

2681245 is an equidigital number, since it uses as much as digits as its factorization.

2681245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76619.

The product of its digits is 3840, while the sum is 28.

The square root of 2681245 is about 1637.4507626185. The cubic root of 2681245 is about 138.9244970626.

It can be divided in two parts, 2681 and 245, that added together give a triangular number (2926 = T76).

The spelling of 2681245 in words is "two million, six hundred eighty-one thousand, two hundred forty-five".

Divisors: 1 5 7 35 76607 383035 536249 2681245