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2997409 is a prime number
BaseRepresentation
bin1011011011110010100001
312122021200011
423123302201
51231404114
6144124521
734322542
oct13336241
95567604
102997409
111767aa8
121006741
1380c41c
145804c9
153e31c4
hex2dbca1

2997409 has 2 divisors, whose sum is σ = 2997410. Its totient is φ = 2997408.

The previous prime is 2997373. The next prime is 2997413. The reversal of 2997409 is 9047992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1697809 + 1299600 = 1303^2 + 1140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2997409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2997419) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1498704 + 1498705.

It is an arithmetic number, because the mean of its divisors is an integer number (1498705).

22997409 is an apocalyptic number.

It is an amenable number.

2997409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2997409 is an equidigital number, since it uses as much as digits as its factorization.

2997409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 2997409 is about 1731.3026887289. The cubic root of 2997409 is about 144.1834243090.

The spelling of 2997409 in words is "two million, nine hundred ninety-seven thousand, four hundred nine".