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53291 = 723331
BaseRepresentation
bin1101000000101011
32201002202
431000223
53201131
61050415
7311240
oct150053
981082
1053291
1137047
1226a0b
131b344
14155c7
1510bcb
hexd02b

53291 has 8 divisors (see below), whose sum is σ = 63744. Its totient is φ = 43560.

The previous prime is 53281. The next prime is 53299. The reversal of 53291 is 19235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53291 - 210 = 52267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5 + ... + 326.

It is an arithmetic number, because the mean of its divisors is an integer number (7968).

253291 is an apocalyptic number.

53291 is a deficient number, since it is larger than the sum of its proper divisors (10453).

53291 is a wasteful number, since it uses less digits than its factorization.

53291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

The product of its digits is 270, while the sum is 20.

The square root of 53291 is about 230.8484351257. The cubic root of 53291 is about 37.6314792210.

The spelling of 53291 in words is "fifty-three thousand, two hundred ninety-one".

Divisors: 1 7 23 161 331 2317 7613 53291