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270989597 is a prime number
BaseRepresentation
bin10000001001101…
…111100100011101
3200212220200211202
4100021233210131
51023333131342
642520125245
76500242064
oct2011574435
9625820752
10270989597
11129a6a54a
1276906825
13441b1398
1427dc11db
1518bcd332
hex1026f91d

270989597 has 2 divisors, whose sum is σ = 270989598. Its totient is φ = 270989596.

The previous prime is 270989573. The next prime is 270989599. The reversal of 270989597 is 795989072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200194201 + 70795396 = 14149^2 + 8414^2 .

It is a cyclic number.

It is not a de Polignac number, because 270989597 - 210 = 270988573 is a prime.

Together with 270989599, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270989599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135494798 + 135494799.

It is an arithmetic number, because the mean of its divisors is an integer number (135494799).

Almost surely, 2270989597 is an apocalyptic number.

It is an amenable number.

270989597 is a deficient number, since it is larger than the sum of its proper divisors (1).

270989597 is an equidigital number, since it uses as much as digits as its factorization.

270989597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 56.

The square root of 270989597 is about 16461.7616614991. The cubic root of 270989597 is about 647.1190820661.

The spelling of 270989597 in words is "two hundred seventy million, nine hundred eighty-nine thousand, five hundred ninety-seven".