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2283157 = 7013257
BaseRepresentation
bin1000101101011010010101
311021222220101
420231122111
51041030112
6120534101
725256302
oct10553225
94258811
102283157
11131a408
12921331
1361c2a6
144360a9
15301757
hex22d695

2283157 has 4 divisors (see below), whose sum is σ = 2287116. Its totient is φ = 2279200.

The previous prime is 2283139. The next prime is 2283191. The reversal of 2283157 is 7513822.

2283157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1962801 + 320356 = 1401^2 + 566^2 .

It is a cyclic number.

It is not a de Polignac number, because 2283157 - 211 = 2281109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2283137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928 + ... + 2329.

It is an arithmetic number, because the mean of its divisors is an integer number (571779).

22283157 is an apocalyptic number.

It is an amenable number.

2283157 is a deficient number, since it is larger than the sum of its proper divisors (3959).

2283157 is an equidigital number, since it uses as much as digits as its factorization.

2283157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958.

The product of its digits is 3360, while the sum is 28.

The square root of 2283157 is about 1511.0119125937. The cubic root of 2283157 is about 131.6776070241.

Adding to 2283157 its reverse (7513822), we get a palindrome (9796979).

The spelling of 2283157 in words is "two million, two hundred eighty-three thousand, one hundred fifty-seven".

Divisors: 1 701 3257 2283157