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2642146 = 21327817
BaseRepresentation
bin1010000101000011100010
311222020100021
422011003202
51134022041
6132344054
731313023
oct12050342
94866307
102642146
1115450a1
12a7502a
13716800
144cac4a
15372cd1
hex2850e2

2642146 has 12 divisors (see below), whose sum is σ = 4292082. Its totient is φ = 1219296.

The previous prime is 2642141. The next prime is 2642147. The reversal of 2642146 is 6412462.

It can be written as a sum of positive squares in 3 ways, for example, as 436921 + 2205225 = 661^2 + 1485^2 .

It is a super-3 number, since 3×26421463 = 55333952306357184408, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2642146.

It is not an unprimeable number, because it can be changed into a prime (2642141) 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, 3571 + ... + 4246.

22642146 is an apocalyptic number.

2642146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2642146 is a deficient number, since it is larger than the sum of its proper divisors (1649936).

2642146 is a wasteful number, since it uses less digits than its factorization.

2642146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7845 (or 7832 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 2642146 is about 1625.4679326274. The cubic root of 2642146 is about 138.2459033674.

The spelling of 2642146 in words is "two million, six hundred forty-two thousand, one hundred forty-six".

Divisors: 1 2 13 26 169 338 7817 15634 101621 203242 1321073 2642146