Search a number
-
+
5138655 = 352911813
BaseRepresentation
bin10011100110100011011111
3100200001220120
4103212203133
52303414110
6302050023
761451334
oct23464337
910601816
105138655
11299a825
121879913
1310abc32
1497a98b
156b7870
hex4e68df

5138655 has 16 divisors (see below), whose sum is σ = 8506080. Its totient is φ = 2645888.

The previous prime is 5138633. The next prime is 5138657. The reversal of 5138655 is 5568315.

It is a cyclic number.

It is not a de Polignac number, because 5138655 - 218 = 4876511 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5138657) 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, 5472 + ... + 6341.

It is an arithmetic number, because the mean of its divisors is an integer number (531630).

Almost surely, 25138655 is an apocalyptic number.

5138655 is a deficient number, since it is larger than the sum of its proper divisors (3367425).

5138655 is a wasteful number, since it uses less digits than its factorization.

5138655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11850.

The product of its digits is 18000, while the sum is 33.

The square root of 5138655 is about 2266.8601633096. The cubic root of 5138655 is about 172.5638494996.

The spelling of 5138655 in words is "five million, one hundred thirty-eight thousand, six hundred fifty-five".

Divisors: 1 3 5 15 29 87 145 435 11813 35439 59065 177195 342577 1027731 1712885 5138655