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149361 = 349787
BaseRepresentation
bin100100011101110001
321120212220
4210131301
514234421
63111253
71161312
oct443561
9246786
10149361
11a2243
1272529
1352ca4
143c609
152e3c6
hex24771

149361 has 4 divisors (see below), whose sum is σ = 199152. Its totient is φ = 99572.

The previous prime is 149351. The next prime is 149371. The reversal of 149361 is 163941.

149361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163941 = 354647.

It is an interprime number because it is at equal distance from previous prime (149351) and next prime (149371).

It is a cyclic number.

It is not a de Polignac number, because 149361 - 26 = 149297 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149341) 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, 24891 + ... + 24896.

It is an arithmetic number, because the mean of its divisors is an integer number (49788).

2149361 is an apocalyptic number.

It is an amenable number.

149361 is a deficient number, since it is larger than the sum of its proper divisors (49791).

149361 is an equidigital number, since it uses as much as digits as its factorization.

149361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49790.

The product of its digits is 648, while the sum is 24.

The square root of 149361 is about 386.4725087247. The cubic root of 149361 is about 53.0573723092.

The spelling of 149361 in words is "one hundred forty-nine thousand, three hundred sixty-one".

Divisors: 1 3 49787 149361