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137271 = 345757
BaseRepresentation
bin100001100000110111
320222022010
4201200313
513343041
62535303
71111131
oct414067
9228263
10137271
1194152
1267533
134a634
1438051
152aa16
hex21837

137271 has 4 divisors (see below), whose sum is σ = 183032. Its totient is φ = 91512.

The previous prime is 137251. The next prime is 137273. The reversal of 137271 is 172731.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 137271 - 25 = 137239 is a prime.

It is a D-number.

It is the 371-st Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137273) by changing a digit.

It is a nontrivial repunit in base 370.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22876 + ... + 22881.

It is an arithmetic number, because the mean of its divisors is an integer number (45758).

2137271 is an apocalyptic number.

137271 is a deficient number, since it is larger than the sum of its proper divisors (45761).

137271 is an equidigital number, since it uses as much as digits as its factorization.

137271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45760.

The product of its digits is 294, while the sum is 21.

The square root of 137271 is about 370.5010121444. The cubic root of 137271 is about 51.5853362575.

The spelling of 137271 in words is "one hundred thirty-seven thousand, two hundred seventy-one".

Divisors: 1 3 45757 137271