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2141361 = 32237929
BaseRepresentation
bin1000001010110010110001
311000210101200
420022302301
51022010421
6113521413
724126015
oct10126261
94023350
102141361
111232922
12873269
1359c8a1
143da545
152c4726
hex20acb1

2141361 has 6 divisors (see below), whose sum is σ = 3093090. Its totient is φ = 1427568.

The previous prime is 2141333. The next prime is 2141401. The reversal of 2141361 is 1631412.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2117025 + 24336 = 1455^2 + 156^2 .

It is not a de Polignac number, because 2141361 - 25 = 2141329 is a prime.

It is an Ulam number.

It is a Curzon number.

2141361 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2141311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118956 + ... + 118973.

It is an arithmetic number, because the mean of its divisors is an integer number (515515).

22141361 is an apocalyptic number.

It is an amenable number.

2141361 is a deficient number, since it is larger than the sum of its proper divisors (951729).

2141361 is a wasteful number, since it uses less digits than its factorization.

2141361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237935 (or 237932 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2141361 is about 1463.3389901181. The cubic root of 2141361 is about 128.8931872273.

Adding to 2141361 its reverse (1631412), we get a palindrome (3772773).

The spelling of 2141361 in words is "two million, one hundred forty-one thousand, three hundred sixty-one".

Divisors: 1 3 9 237929 713787 2141361