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2690371 is a prime number
BaseRepresentation
bin1010010000110101000011
312001200111101
422100311003
51142042441
6133355231
731603435
oct12206503
95050441
102690371
111578352
12a98b17
13732748
14500655
15382231
hex290d43

2690371 has 2 divisors, whose sum is σ = 2690372. Its totient is φ = 2690370.

The previous prime is 2690357. The next prime is 2690377. The reversal of 2690371 is 1730962.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2690371 is a prime.

It is a super-2 number, since 2×26903712 = 14476192235282, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2690377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345185 + 1345186.

It is an arithmetic number, because the mean of its divisors is an integer number (1345186).

22690371 is an apocalyptic number.

2690371 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690371 is an equidigital number, since it uses as much as digits as its factorization.

2690371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2690371 is about 1640.2350441324. The cubic root of 2690371 is about 139.0819350272.

The spelling of 2690371 in words is "two million, six hundred ninety thousand, three hundred seventy-one".