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11487137 is a prime number
BaseRepresentation
bin101011110100…
…011110100001
3210121121101112
4223310132201
510420042022
61050113105
7166432124
oct53643641
923547345
1011487137
116536502
123a1b795
1324c272c
1417503bb
15101d8e2
hexaf47a1

11487137 has 2 divisors, whose sum is σ = 11487138. Its totient is φ = 11487136.

The previous prime is 11487127. The next prime is 11487163. The reversal of 11487137 is 73178411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9634816 + 1852321 = 3104^2 + 1361^2 .

It is a cyclic number.

It is not a de Polignac number, because 11487137 - 210 = 11486113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11487127) 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, 5743568 + 5743569.

It is an arithmetic number, because the mean of its divisors is an integer number (5743569).

Almost surely, 211487137 is an apocalyptic number.

It is an amenable number.

11487137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11487137 is an equidigital number, since it uses as much as digits as its factorization.

11487137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 32.

The square root of 11487137 is about 3389.2679150519. The cubic root of 11487137 is about 225.6336835950.

The spelling of 11487137 in words is "eleven million, four hundred eighty-seven thousand, one hundred thirty-seven".