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148241 = 532797
BaseRepresentation
bin100100001100010001
321112100102
4210030101
514220431
63102145
71155122
oct441421
9245312
10148241
11a1415
1271955
1352622
143c049
152ddcb
hex24311

148241 has 4 divisors (see below), whose sum is σ = 151092. Its totient is φ = 145392.

The previous prime is 148229. The next prime is 148243. The reversal of 148241 is 142841.

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

It can be written as a sum of positive squares in 2 ways, for example, as 108241 + 40000 = 329^2 + 200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-148241 is a prime.

It is a pancake number, because a pancake can be divided into 148241 parts by 544 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148243) 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, 1346 + ... + 1451.

It is an arithmetic number, because the mean of its divisors is an integer number (37773).

2148241 is an apocalyptic number.

It is an amenable number.

148241 is a deficient number, since it is larger than the sum of its proper divisors (2851).

148241 is an equidigital number, since it uses as much as digits as its factorization.

148241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850.

The product of its digits is 256, while the sum is 20.

The square root of 148241 is about 385.0207786601. The cubic root of 148241 is about 52.9244205748.

The spelling of 148241 in words is "one hundred forty-eight thousand, two hundred forty-one".

Divisors: 1 53 2797 148241