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148871 = 413631
BaseRepresentation
bin100100010110000111
321120012202
4210112013
514230441
63105115
71160012
oct442607
9246182
10148871
11a1938
127219b
13529b8
143c379
152e19b
hex24587

148871 has 4 divisors (see below), whose sum is σ = 152544. Its totient is φ = 145200.

The previous prime is 148867. The next prime is 148873. The reversal of 148871 is 178841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178841 = 1313757.

It is a cyclic number.

It is not a de Polignac number, because 148871 - 22 = 148867 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1775 + ... + 1856.

It is an arithmetic number, because the mean of its divisors is an integer number (38136).

2148871 is an apocalyptic number.

148871 is a deficient number, since it is larger than the sum of its proper divisors (3673).

148871 is an equidigital number, since it uses as much as digits as its factorization.

148871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672.

The product of its digits is 1792, while the sum is 29.

The square root of 148871 is about 385.8380489273. The cubic root of 148871 is about 52.9992879933. Note that the first 3 decimals are identical.

The spelling of 148871 in words is "one hundred forty-eight thousand, eight hundred seventy-one".

Divisors: 1 41 3631 148871