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3112829 is a prime number
BaseRepresentation
bin1011110111111101111101
312212010222222
423313331331
51244102304
6150415125
735313206
oct13677575
95763888
103112829
111836795
1210614a5
1384cb15
145b05ad
154174be
hex2f7f7d

3112829 has 2 divisors, whose sum is σ = 3112830. Its totient is φ = 3112828.

The previous prime is 3112807. The next prime is 3112859. The reversal of 3112829 is 9282113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1684804 + 1428025 = 1298^2 + 1195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3112829 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3112798 and 3112807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3112859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556414 + 1556415.

It is an arithmetic number, because the mean of its divisors is an integer number (1556415).

Almost surely, 23112829 is an apocalyptic number.

It is an amenable number.

3112829 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112829 is an equidigital number, since it uses as much as digits as its factorization.

3112829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 26.

The square root of 3112829 is about 1764.3211158970. The cubic root of 3112829 is about 146.0108361257.

The spelling of 3112829 in words is "three million, one hundred twelve thousand, eight hundred twenty-nine".