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2906131 is a prime number
BaseRepresentation
bin1011000101100000010011
312110122110111
423011200103
51220444011
6142142151
733462454
oct13054023
95418414
102906131
111705468
12b81957
137a9a07
1455912b
153c6121
hex2c5813

2906131 has 2 divisors, whose sum is σ = 2906132. Its totient is φ = 2906130.

The previous prime is 2906129. The next prime is 2906143. The reversal of 2906131 is 1316092.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2906131 - 21 = 2906129 is a prime.

It is a super-2 number, since 2×29061312 = 16891194778322, which contains 22 as substring.

Together with 2906129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2906161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1453065 + 1453066.

It is an arithmetic number, because the mean of its divisors is an integer number (1453066).

22906131 is an apocalyptic number.

2906131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2906131 is an equidigital number, since it uses as much as digits as its factorization.

2906131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2906131 is about 1704.7378097526. The cubic root of 2906131 is about 142.7047390408.

It can be divided in two parts, 29061 and 31, that added together give a palindrome (29092).

The spelling of 2906131 in words is "two million, nine hundred six thousand, one hundred thirty-one".