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2108137 is a prime number
BaseRepresentation
bin1000000010101011101001
310222002211011
420002223221
51014430022
6113103521
723630113
oct10025351
93862734
102108137
11120a969
12857ba1
1358a725
143cc3b3
152b9977
hex202ae9

2108137 has 2 divisors, whose sum is σ = 2108138. Its totient is φ = 2108136.

The previous prime is 2108123. The next prime is 2108159. The reversal of 2108137 is 7318012.

It is an a-pointer prime, because the next prime (2108159) can be obtained adding 2108137 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1498176 + 609961 = 1224^2 + 781^2 .

It is a cyclic number.

It is not a de Polignac number, because 2108137 - 27 = 2108009 is a prime.

It is a super-2 number, since 2×21081372 = 8888483221538, which contains 22 as substring.

2108137 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2108177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054068 + 1054069.

It is an arithmetic number, because the mean of its divisors is an integer number (1054069).

22108137 is an apocalyptic number.

It is an amenable number.

2108137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108137 is an equidigital number, since it uses as much as digits as its factorization.

2108137 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 22.

The square root of 2108137 is about 1451.9424919741. The cubic root of 2108137 is about 128.2231013103.

The spelling of 2108137 in words is "two million, one hundred eight thousand, one hundred thirty-seven".