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2077969 is a prime number
BaseRepresentation
bin111111011010100010001
310220120102211
413323110101
51012443334
6112312121
723443135
oct7732421
93816384
102077969
11119a233
12842641
13579a8a
143c13c5
152b0a64
hex1fb511

2077969 has 2 divisors, whose sum is σ = 2077970. Its totient is φ = 2077968.

The previous prime is 2077949. The next prime is 2077987. The reversal of 2077969 is 9697702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1638400 + 439569 = 1280^2 + 663^2 .

It is a cyclic number.

It is not a de Polignac number, because 2077969 - 27 = 2077841 is a prime.

It is a super-2 number, since 2×20779692 = 8635910329922, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2077909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1038984 + 1038985.

It is an arithmetic number, because the mean of its divisors is an integer number (1038985).

22077969 is an apocalyptic number.

It is an amenable number.

2077969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2077969 is an equidigital number, since it uses as much as digits as its factorization.

2077969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 2077969 is about 1441.5162156563. The cubic root of 2077969 is about 127.6085247987.

The spelling of 2077969 in words is "two million, seventy-seven thousand, nine hundred sixty-nine".