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2489197 is a prime number
BaseRepresentation
bin1001011111101101101101
311200110112111
421133231231
51114123242
6125204021
730105064
oct11375555
94613474
102489197
111450197
12a00611
13691cc9
1448b1db
15342817
hex25fb6d

2489197 has 2 divisors, whose sum is σ = 2489198. Its totient is φ = 2489196.

The previous prime is 2489183. The next prime is 2489213. The reversal of 2489197 is 7919842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2253001 + 236196 = 1501^2 + 486^2 .

It is a cyclic number.

It is not a de Polignac number, because 2489197 - 215 = 2456429 is a prime.

It is a super-2 number, since 2×24891972 = 12392203409618, which contains 22 as substring.

It is a Chen prime.

2489197 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2489107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244598 + 1244599.

It is an arithmetic number, because the mean of its divisors is an integer number (1244599).

22489197 is an apocalyptic number.

It is an amenable number.

2489197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2489197 is an equidigital number, since it uses as much as digits as its factorization.

2489197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 40.

The square root of 2489197 is about 1577.7189230024. The cubic root of 2489197 is about 135.5251062079.

The spelling of 2489197 in words is "two million, four hundred eighty-nine thousand, one hundred ninety-seven".