Search a number
-
+
27020613 = 331128961
BaseRepresentation
bin110011100010…
…0110101000101
31212211210022110
41213010311011
523404124423
62403051233
7445446204
oct147046505
955753273
1027020613
1114285a94
129070b19
1357a0b39
14383523b
15258b193
hex19c4d45

27020613 has 8 divisors (see below), whose sum is σ = 36144576. Its totient is φ = 17955200.

The previous prime is 27020573. The next prime is 27020639. The reversal of 27020613 is 31602072.

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 27020613 - 26 = 27020549 is a prime.

It is a super-2 number, since 2×270206132 = 1460227053791538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27020613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27020113) 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, 13548 + ... + 15413.

It is an arithmetic number, because the mean of its divisors is an integer number (4518072).

Almost surely, 227020613 is an apocalyptic number.

It is an amenable number.

27020613 is a deficient number, since it is larger than the sum of its proper divisors (9123963).

27020613 is a wasteful number, since it uses less digits than its factorization.

27020613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29275.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 27020613 is about 5198.1355311304. The cubic root of 27020613 is about 300.0763250244.

Adding to 27020613 its reverse (31602072), we get a palindrome (58622685).

The spelling of 27020613 in words is "twenty-seven million, twenty thousand, six hundred thirteen".

Divisors: 1 3 311 933 28961 86883 9006871 27020613