Search a number
-
+
13048917 = 374191483
BaseRepresentation
bin110001110001…
…110001010101
3220112221202020
4301301301111
511320031132
61143403353
7215625330
oct61616125
926487666
1013048917
117402932
124453559
13291b56b
141a39617
15122b52c
hexc71c55

13048917 has 16 divisors (see below), whose sum is σ = 19944960. Its totient is φ = 7433712.

The previous prime is 13048907. The next prime is 13048943. The reversal of 13048917 is 71984031.

13048917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13048917 - 210 = 13047893 is a prime.

It is a super-3 number, since 3×130489173 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13048907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8058 + ... + 9540.

It is an arithmetic number, because the mean of its divisors is an integer number (1246560).

Almost surely, 213048917 is an apocalyptic number.

It is an amenable number.

13048917 is a deficient number, since it is larger than the sum of its proper divisors (6896043).

13048917 is a wasteful number, since it uses less digits than its factorization.

13048917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 13048917 is about 3612.3284734365. The cubic root of 13048917 is about 235.4280233155.

The spelling of 13048917 in words is "thirteen million, forty-eight thousand, nine hundred seventeen".

Divisors: 1 3 7 21 419 1257 1483 2933 4449 8799 10381 31143 621377 1864131 4349639 13048917