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2742031 is a prime number
BaseRepresentation
bin1010011101011100001111
312011022100201
422131130033
51200221111
6134434331
732210155
oct12353417
95138321
102742031
111603146
12b029a7
13750106
145153d5
153926c1
hex29d70f

2742031 has 2 divisors, whose sum is σ = 2742032. Its totient is φ = 2742030.

The previous prime is 2742029. The next prime is 2742041. The reversal of 2742031 is 1302472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2742031 - 21 = 2742029 is a prime.

It is a super-2 number, since 2×27420312 = 15037468009922, which contains 22 as substring.

Together with 2742029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2742041) 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, 1371015 + 1371016.

It is an arithmetic number, because the mean of its divisors is an integer number (1371016).

22742031 is an apocalyptic number.

2742031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742031 is an equidigital number, since it uses as much as digits as its factorization.

2742031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2742031 is about 1655.9079080674. The cubic root of 2742031 is about 139.9665055927.

The spelling of 2742031 in words is "two million, seven hundred forty-two thousand, thirty-one".