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3137389 is a prime number
BaseRepresentation
bin1011111101111101101101
312220101200121
423331331231
51300344024
6151124541
735444623
oct13757555
95811617
103137389
111853192
121073751
1385b058
145b9513
1541e8e4
hex2fdf6d

3137389 has 2 divisors, whose sum is σ = 3137390. Its totient is φ = 3137388.

The previous prime is 3137371. The next prime is 3137399. The reversal of 3137389 is 9837313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3132900 + 4489 = 1770^2 + 67^2 .

It is an emirp because it is prime and its reverse (9837313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3137389 - 25 = 3137357 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3137399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1568694 + 1568695.

It is an arithmetic number, because the mean of its divisors is an integer number (1568695).

Almost surely, 23137389 is an apocalyptic number.

It is an amenable number.

3137389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3137389 is an equidigital number, since it uses as much as digits as its factorization.

3137389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 3137389 is about 1771.2676251770. The cubic root of 3137389 is about 146.3938356517.

The spelling of 3137389 in words is "three million, one hundred thirty-seven thousand, three hundred eighty-nine".