Search a number
-
+
27485436 = 22311208223
BaseRepresentation
bin110100011011…
…0010011111100
31220201101221010
41220312103330
524014013221
62421035220
7452423316
oct150662374
956641833
1027485436
1114573240
129255b10
135904594
1439167b6
15262dc76
hex1a364fc

27485436 has 24 divisors (see below), whose sum is σ = 69963264. Its totient is φ = 8328880.

The previous prime is 27485431. The next prime is 27485461. The reversal of 27485436 is 63458472.

It is a happy number.

It is a super-2 number, since 2×274854362 = 1510898384220192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27485394 and 27485403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27485431) 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, 103980 + ... + 104243.

It is an arithmetic number, because the mean of its divisors is an integer number (2915136).

Almost surely, 227485436 is an apocalyptic number.

It is an amenable number.

27485436 is an abundant number, since it is smaller than the sum of its proper divisors (42477828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27485436 is a wasteful number, since it uses less digits than its factorization.

27485436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208241 (or 208239 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 27485436 is about 5242.6554340334. The cubic root of 27485436 is about 301.7872425144.

The spelling of 27485436 in words is "twenty-seven million, four hundred eighty-five thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 208223 416446 624669 832892 1249338 2290453 2498676 4580906 6871359 9161812 13742718 27485436