Search a number
-
+
29263861 = 112660351
BaseRepresentation
bin110111110100…
…0011111110101
32001001202110201
41233220133311
524442420421
62523120501
7503511244
oct157503765
961052421
1029263861
1115578410
129973131
1360a7bc3
143c5a95b
152880b91
hex1be87f5

29263861 has 4 divisors (see below), whose sum is σ = 31924224. Its totient is φ = 26603500.

The previous prime is 29263859. The next prime is 29263867. The reversal of 29263861 is 16836292.

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 29263861 - 21 = 29263859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29263861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29263867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330165 + ... + 1330186.

It is an arithmetic number, because the mean of its divisors is an integer number (7981056).

Almost surely, 229263861 is an apocalyptic number.

It is an amenable number.

29263861 is a deficient number, since it is larger than the sum of its proper divisors (2660363).

29263861 is a wasteful number, since it uses less digits than its factorization.

29263861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660362.

The product of its digits is 31104, while the sum is 37.

The square root of 29263861 is about 5409.6082113218. The cubic root of 29263861 is about 308.1606691094.

The spelling of 29263861 in words is "twenty-nine million, two hundred sixty-three thousand, eight hundred sixty-one".

Divisors: 1 11 2660351 29263861