Search a number
-
+
54135013 = 157499691
BaseRepresentation
bin1100111010000…
…0100011100101
310202212100021111
43032200203211
5102324310023
65212145021
71225066012
oct316404345
9122770244
1054135013
1128615489
1216168171
13b2a556a
147292709
154b4500d
hex33a08e5

54135013 has 8 divisors (see below), whose sum is σ = 54668000. Its totient is φ = 53604720.

The previous prime is 54135001. The next prime is 54135019. The reversal of 54135013 is 31053145.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54135013 - 29 = 54134501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54135019) 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, 77998 + ... + 78688.

It is an arithmetic number, because the mean of its divisors is an integer number (6833500).

Almost surely, 254135013 is an apocalyptic number.

It is an amenable number.

54135013 is a deficient number, since it is larger than the sum of its proper divisors (532987).

54135013 is a wasteful number, since it uses less digits than its factorization.

54135013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 54135013 is about 7357.6499644927. The cubic root of 54135013 is about 378.2910633923.

Adding to 54135013 its reverse (31053145), we get a palindrome (85188158).

The spelling of 54135013 in words is "fifty-four million, one hundred thirty-five thousand, thirteen".

Divisors: 1 157 499 691 78343 108487 344809 54135013