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2890669 is a prime number
BaseRepresentation
bin1011000001101110101101
312102212020211
423001232231
51220000134
6141542421
733366415
oct13015655
95385224
102890669
1116a4891
12b74a11
137a2972
14553645
153c1764
hex2c1bad

2890669 has 2 divisors, whose sum is σ = 2890670. Its totient is φ = 2890668.

The previous prime is 2890649. The next prime is 2890687. The reversal of 2890669 is 9660982.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2518569 + 372100 = 1587^2 + 610^2 .

It is a cyclic number.

It is not a de Polignac number, because 2890669 - 25 = 2890637 is a prime.

It is a super-2 number, since 2×28906692 = 16711934535122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2890619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445334 + 1445335.

It is an arithmetic number, because the mean of its divisors is an integer number (1445335).

22890669 is an apocalyptic number.

It is an amenable number.

2890669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2890669 is an equidigital number, since it uses as much as digits as its factorization.

2890669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 2890669 is about 1700.1967533200. The cubic root of 2890669 is about 142.4512031547.

The spelling of 2890669 in words is "two million, eight hundred ninety thousand, six hundred sixty-nine".