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2842157 is a prime number
BaseRepresentation
bin1010110101111000101101
312100101201002
422311320231
51211422112
6140530045
733105113
oct12657055
95311632
102842157
11167139a
12b50925
13786866
1453dab3
153b21c2
hex2b5e2d

2842157 has 2 divisors, whose sum is σ = 2842158. Its totient is φ = 2842156.

The previous prime is 2842139. The next prime is 2842159. The reversal of 2842157 is 7512482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1510441 + 1331716 = 1229^2 + 1154^2 .

It is a cyclic number.

It is not a de Polignac number, because 2842157 - 210 = 2841133 is a prime.

Together with 2842159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2842159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1421078 + 1421079.

It is an arithmetic number, because the mean of its divisors is an integer number (1421079).

22842157 is an apocalyptic number.

It is an amenable number.

2842157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2842157 is an equidigital number, since it uses as much as digits as its factorization.

2842157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 29.

The square root of 2842157 is about 1685.8698051748. The cubic root of 2842157 is about 141.6498182193.

The spelling of 2842157 in words is "two million, eight hundred forty-two thousand, one hundred fifty-seven".