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149039 = 1117797
BaseRepresentation
bin100100011000101111
321120102222
4210120233
514232124
63105555
71160342
oct443057
9246388
10149039
11a1a80
12722bb
1352ab7
143c459
152e25e
hex2462f

149039 has 8 divisors (see below), whose sum is σ = 172368. Its totient is φ = 127360.

The previous prime is 149033. The next prime is 149053. The reversal of 149039 is 930941.

It is a happy number.

149039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149039 - 28 = 148783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148999 and 149017.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 149039.

It is not an unprimeable number, because it can be changed into a prime (149033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212 + ... + 585.

It is an arithmetic number, because the mean of its divisors is an integer number (21546).

2149039 is an apocalyptic number.

149039 is a deficient number, since it is larger than the sum of its proper divisors (23329).

149039 is a wasteful number, since it uses less digits than its factorization.

149039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 149039 is about 386.0556954638. The cubic root of 149039 is about 53.0192169545.

The spelling of 149039 in words is "one hundred forty-nine thousand, thirty-nine".

Divisors: 1 11 17 187 797 8767 13549 149039