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269944897 is a prime number
BaseRepresentation
bin10000000101110…
…000100001000001
3200210221121210011
4100011300201001
51023101214042
642441504521
76455331235
oct2005604101
9623847704
10269944897
11129416662
12764a2141
1343c06a11
1427bcc5c5
1518a73a17
hex10170841

269944897 has 2 divisors, whose sum is σ = 269944898. Its totient is φ = 269944896.

The previous prime is 269944879. The next prime is 269944907. The reversal of 269944897 is 798449962.

Together with previous prime (269944879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183900721 + 86044176 = 13561^2 + 9276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-269944897 is a prime.

It is not a weakly prime, because it can be changed into another prime (269944877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134972448 + 134972449.

It is an arithmetic number, because the mean of its divisors is an integer number (134972449).

Almost surely, 2269944897 is an apocalyptic number.

It is an amenable number.

269944897 is a deficient number, since it is larger than the sum of its proper divisors (1).

269944897 is an equidigital number, since it uses as much as digits as its factorization.

269944897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 58.

The square root of 269944897 is about 16429.9999087036. Note that the first 4 decimals coincide. The cubic root of 269944897 is about 646.2864351978.

The spelling of 269944897 in words is "two hundred sixty-nine million, nine hundred forty-four thousand, eight hundred ninety-seven".