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149048 = 2331601
BaseRepresentation
bin100100011000111000
321120110022
4210120320
514232143
63110012
71160354
oct443070
9246408
10149048
11a1a89
1272308
1352ac3
143c464
152e268
hex24638

149048 has 16 divisors (see below), whose sum is σ = 288960. Its totient is φ = 72000.

The previous prime is 149033. The next prime is 149053. The reversal of 149048 is 840941.

It is a congruent number.

It is an unprimeable number.

149048 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53 + ... + 548.

It is an arithmetic number, because the mean of its divisors is an integer number (18060).

2149048 is an apocalyptic number.

It is an amenable number.

149048 is a deficient number, since it is larger than the sum of its proper divisors (139912).

149048 is a wasteful number, since it uses less digits than its factorization.

149048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 149048 is about 386.0673516370. The cubic root of 149048 is about 53.0202841547.

Adding to 149048 its reverse (840941), we get a palindrome (989989).

The spelling of 149048 in words is "one hundred forty-nine thousand, forty-eight".

Divisors: 1 2 4 8 31 62 124 248 601 1202 2404 4808 18631 37262 74524 149048