Search a number
-
+
13280853 = 316212731
BaseRepresentation
bin110010101010…
…011001010101
3220222201220110
4302222121111
511344441403
61152353233
7220612455
oct62523125
926881813
1013280853
117551113
124545819
13299ccc1
141a99d65
151275103
hexcaa655

13280853 has 8 divisors (see below), whose sum is σ = 17725216. Its totient is φ = 8845200.

The previous prime is 13280831. The next prime is 13280863. The reversal of 13280853 is 35808231.

It is a happy number.

13280853 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 not a de Polignac number, because 13280853 - 26 = 13280789 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 13280853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13280863) 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, 3498 + ... + 6228.

It is an arithmetic number, because the mean of its divisors is an integer number (2215652).

Almost surely, 213280853 is an apocalyptic number.

It is an amenable number.

13280853 is a deficient number, since it is larger than the sum of its proper divisors (4444363).

13280853 is a wasteful number, since it uses less digits than its factorization.

13280853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4355.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 13280853 is about 3644.2904659206. The cubic root of 13280853 is about 236.8146996464.

The spelling of 13280853 in words is "thirteen million, two hundred eighty thousand, eight hundred fifty-three".

Divisors: 1 3 1621 2731 4863 8193 4426951 13280853