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149529 = 349843
BaseRepresentation
bin100100100000011001
321121010010
4210200121
514241104
63112133
71161642
oct444031
9247103
10149529
11a2386
1272649
13530a3
143c6c9
152e489
hex24819

149529 has 4 divisors (see below), whose sum is σ = 199376. Its totient is φ = 99684.

The previous prime is 149521. The next prime is 149531. The reversal of 149529 is 925941.

It is a happy number.

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.

It is not a de Polignac number, because 149529 - 23 = 149521 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 149496 and 149505.

It is not an unprimeable number, because it can be changed into a prime (149521) 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, 24919 + ... + 24924.

It is an arithmetic number, because the mean of its divisors is an integer number (49844).

2149529 is an apocalyptic number.

It is an amenable number.

149529 is a deficient number, since it is larger than the sum of its proper divisors (49847).

149529 is an equidigital number, since it uses as much as digits as its factorization.

149529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49846.

The product of its digits is 3240, while the sum is 30.

The square root of 149529 is about 386.6897981587. The cubic root of 149529 is about 53.0772576845.

The spelling of 149529 in words is "one hundred forty-nine thousand, five hundred twenty-nine".

Divisors: 1 3 49843 149529