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275480837 is a prime number
BaseRepresentation
bin10000011010111…
…000000100000101
3201012100212122222
4100122320010011
51031010341322
643200302125
76553356062
oct2032700405
9635325588
10275480837
11131557915
1278311945
13450c4718
142882dc69
15192b8e42
hex106b8105

275480837 has 2 divisors, whose sum is σ = 275480838. Its totient is φ = 275480836.

The previous prime is 275480827. The next prime is 275480839. The reversal of 275480837 is 738084572.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156975841 + 118504996 = 12529^2 + 10886^2 .

It is a cyclic number.

It is not a de Polignac number, because 275480837 - 28 = 275480581 is a prime.

Together with 275480839, 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 (275480839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137740418 + 137740419.

It is an arithmetic number, because the mean of its divisors is an integer number (137740419).

Almost surely, 2275480837 is an apocalyptic number.

It is an amenable number.

275480837 is a deficient number, since it is larger than the sum of its proper divisors (1).

275480837 is an equidigital number, since it uses as much as digits as its factorization.

275480837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 275480837 is about 16597.6154010147. The cubic root of 275480837 is about 650.6745163685.

The spelling of 275480837 in words is "two hundred seventy-five million, four hundred eighty thousand, eight hundred thirty-seven".