Search a number
-
+
27994662 = 2321555259
BaseRepresentation
bin110101011001…
…0101000100110
31221200021110100
41222302220212
524131312122
62440004530
7456644043
oct152625046
957607410
1027994662
1114890893
129460746
135a522b7
143a0a1ca
1526ceaac
hex1ab2a26

27994662 has 12 divisors (see below), whose sum is σ = 60655140. Its totient is φ = 9331548.

The previous prime is 27994639. The next prime is 27994667. The reversal of 27994662 is 26649972.

It is a super-2 number, since 2×279946622 = 1567402200988488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27994667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 777612 + ... + 777647.

It is an arithmetic number, because the mean of its divisors is an integer number (5054595).

Almost surely, 227994662 is an apocalyptic number.

27994662 is an abundant number, since it is smaller than the sum of its proper divisors (32660478).

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

27994662 is a wasteful number, since it uses less digits than its factorization.

27994662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555267 (or 1555264 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 27994662 is about 5290.9982044979. The cubic root of 27994662 is about 303.6395991613.

The spelling of 27994662 in words is "twenty-seven million, nine hundred ninety-four thousand, six hundred sixty-two".

Divisors: 1 2 3 6 9 18 1555259 3110518 4665777 9331554 13997331 27994662