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27241013 = 101269713
BaseRepresentation
bin110011111101…
…0101000110101
31220020222122102
41213322220311
523433203023
62411511445
7450354602
oct147725065
956228572
1027241013
1114416638
129158585
13584a257
1438916a9
1525d1628
hex19faa35

27241013 has 4 divisors (see below), whose sum is σ = 27510828. Its totient is φ = 26971200.

The previous prime is 27240979. The next prime is 27241069. The reversal of 27241013 is 31014272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25331089 + 1909924 = 5033^2 + 1382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27241013 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 (27241073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134756 + ... + 134957.

It is an arithmetic number, because the mean of its divisors is an integer number (6877707).

Almost surely, 227241013 is an apocalyptic number.

It is an amenable number.

27241013 is a deficient number, since it is larger than the sum of its proper divisors (269815).

27241013 is a wasteful number, since it uses less digits than its factorization.

27241013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269814.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 27241013 is about 5219.2923849886. The cubic root of 27241013 is about 300.8899978094.

Adding to 27241013 its reverse (31014272), we get a palindrome (58255285).

The spelling of 27241013 in words is "twenty-seven million, two hundred forty-one thousand, thirteen".

Divisors: 1 101 269713 27241013