Search a number
-
+
52029805 = 510405961
BaseRepresentation
bin1100011001111…
…0100101101101
310121220101110211
43012132211231
5101304423210
65055102421
71201150252
oct306364555
9117811424
1052029805
1127407843
1215511a11
13aa19289
146ca5429
15487b38a
hex319e96d

52029805 has 4 divisors (see below), whose sum is σ = 62435772. Its totient is φ = 41623840.

The previous prime is 52029793. The next prime is 52029823. The reversal of 52029805 is 50892025.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9375844 + 42653961 = 3062^2 + 6531^2 .

It is not a de Polignac number, because 52029805 - 25 = 52029773 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5202976 + ... + 5202985.

It is an arithmetic number, because the mean of its divisors is an integer number (15608943).

Almost surely, 252029805 is an apocalyptic number.

It is an amenable number.

52029805 is a deficient number, since it is larger than the sum of its proper divisors (10405967).

52029805 is a wasteful number, since it uses less digits than its factorization.

52029805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10405966.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 52029805 is about 7213.1688598008. The cubic root of 52029805 is about 373.3224145581.

The spelling of 52029805 in words is "fifty-two million, twenty-nine thousand, eight hundred five".

Divisors: 1 5 10405961 52029805