Search a number
-
+
27855028 = 229917027
BaseRepresentation
bin110101001000…
…0100010110100
31221102011220201
41222100202310
524112330103
62433010244
7455522665
oct152204264
957364821
1027855028
11147a5993
1293b3984
135a03886
1439b136c
1526a351d
hex1a908b4

27855028 has 12 divisors (see below), whose sum is σ = 48802432. Its totient is φ = 13911480.

The previous prime is 27855017. The next prime is 27855029. The reversal of 27855028 is 82055872.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27855029) 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, 451 + ... + 7477.

Almost surely, 227855028 is an apocalyptic number.

It is an amenable number.

27855028 is a deficient number, since it is larger than the sum of its proper divisors (20947404).

27855028 is a wasteful number, since it uses less digits than its factorization.

27855028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8022 (or 8020 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 27855028 is about 5277.7862783557. The cubic root of 27855028 is about 303.1339182270.

The spelling of 27855028 in words is "twenty-seven million, eight hundred fifty-five thousand, twenty-eight".

Divisors: 1 2 4 991 1982 3964 7027 14054 28108 6963757 13927514 27855028