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296981 is a prime number
BaseRepresentation
bin1001000100000010101
3120002101022
41020200111
534000411
610210525
72344556
oct1104025
9502338
10296981
11193143
12123a45
13a5239
147a32d
155cedb
hex48815

296981 has 2 divisors, whose sum is σ = 296982. Its totient is φ = 296980.

The previous prime is 296971. The next prime is 296983. The reversal of 296981 is 189692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168100 + 128881 = 410^2 + 359^2 .

It is a cyclic number.

It is not a de Polignac number, because 296981 - 214 = 280597 is a prime.

It is a super-2 number, since 2×2969812 = 176395428722, which contains 22 as substring.

Together with 296983, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 7.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 296981.

It is not a weakly prime, because it can be changed into another prime (296983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148490 + 148491.

It is an arithmetic number, because the mean of its divisors is an integer number (148491).

2296981 is an apocalyptic number.

It is an amenable number.

296981 is a deficient number, since it is larger than the sum of its proper divisors (1).

296981 is an equidigital number, since it uses as much as digits as its factorization.

296981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 35.

The square root of 296981 is about 544.9596315325. The cubic root of 296981 is about 66.7179799385.

The spelling of 296981 in words is "two hundred ninety-six thousand, nine hundred eighty-one".