Search a number
-
+
27869892 = 2232322491
BaseRepresentation
bin110101001010…
…0001011000100
31221102221022020
41222110023010
524113314032
62433203140
7455614221
oct152241304
957387266
1027869892
1114806076
1294004b0
135a0a57b
1439b6948
1526a7b2c
hex1a942c4

27869892 has 12 divisors (see below), whose sum is σ = 65029776. Its totient is φ = 9289960.

The previous prime is 27869887. The next prime is 27869921. The reversal of 27869892 is 29896872.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161234 + ... + 1161257.

It is an arithmetic number, because the mean of its divisors is an integer number (5419148).

Almost surely, 227869892 is an apocalyptic number.

It is an amenable number.

27869892 is an abundant number, since it is smaller than the sum of its proper divisors (37159884).

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

27869892 is a wasteful number, since it uses less digits than its factorization.

27869892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322498 (or 2322496 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 27869892 is about 5279.1942567024. The cubic root of 27869892 is about 303.1878280793.

The spelling of 27869892 in words is "twenty-seven million, eight hundred sixty-nine thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 2322491 4644982 6967473 9289964 13934946 27869892