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2240849 = 13172373
BaseRepresentation
bin1000100011000101010001
311012211212102
420203011101
51033201344
6120010145
725022042
oct10430521
94184772
102240849
1112a0646
12900955
13605c60
144248c9
152e3e4e
hex223151

2240849 has 4 divisors (see below), whose sum is σ = 2413236. Its totient is φ = 2068464.

The previous prime is 2240839. The next prime is 2240851. The reversal of 2240849 is 9480422.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1117249 + 1123600 = 1057^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240849 - 28 = 2240593 is a prime.

It is a d-powerful number, because it can be written as 213 + 217 + 44 + 0 + 87 + 46 + 92 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86174 + ... + 86199.

It is an arithmetic number, because the mean of its divisors is an integer number (603309).

22240849 is an apocalyptic number.

It is an amenable number.

2240849 is a deficient number, since it is larger than the sum of its proper divisors (172387).

2240849 is a wasteful number, since it uses less digits than its factorization.

2240849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172386.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2240849 is about 1496.9465588323. The cubic root of 2240849 is about 130.8591808868.

The spelling of 2240849 in words is "two million, two hundred forty thousand, eight hundred forty-nine".

Divisors: 1 13 172373 2240849