Search a number
-
+
505029 = 3724049
BaseRepresentation
bin1111011010011000101
3221122202210
41323103011
5112130104
614454033
74202250
oct1732305
9848683
10505029
11315488
12204319
13148b45
14d2097
159e989
hex7b4c5

505029 has 8 divisors (see below), whose sum is σ = 769600. Its totient is φ = 288576.

The previous prime is 505027. The next prime is 505031. The reversal of 505029 is 920505.

It is an interprime number because it is at equal distance from previous prime (505027) and next prime (505031).

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

It is not a de Polignac number, because 505029 - 21 = 505027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 24049 = 505029 / (5 + 0 + 5 + 0 + 2 + 9).

It is an Ulam number.

It is a Duffinian number.

505029 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 504996 and 505014.

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 505029.

It is not an unprimeable number, because it can be changed into a prime (505027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12004 + ... + 12045.

It is an arithmetic number, because the mean of its divisors is an integer number (96200).

2505029 is an apocalyptic number.

It is an amenable number.

505029 is a deficient number, since it is larger than the sum of its proper divisors (264571).

505029 is a wasteful number, since it uses less digits than its factorization.

505029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24059.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 505029 is about 710.6539242135. The cubic root of 505029 is about 79.6352667310.

The spelling of 505029 in words is "five hundred five thousand, twenty-nine".

Divisors: 1 3 7 21 24049 72147 168343 505029