Search a number
-
+
27826340 = 2251391317
BaseRepresentation
bin110101000100…
…1100010100100
31221100201120012
41222021202210
524110420330
62432225352
7455343233
oct152114244
957321505
1027826340
1114786383
12939b258
1359c37b9
1439a4b1a
152699c95
hex1a898a4

27826340 has 12 divisors (see below), whose sum is σ = 58435356. Its totient is φ = 11130528.

The previous prime is 27826339. The next prime is 27826361. The reversal of 27826340 is 4362872.

It can be written as a sum of positive squares in 2 ways, for example, as 12208036 + 15618304 = 3494^2 + 3952^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 27826297 and 27826306.

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, 695639 + ... + 695678.

It is an arithmetic number, because the mean of its divisors is an integer number (4869613).

Almost surely, 227826340 is an apocalyptic number.

27826340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27826340 is an abundant number, since it is smaller than the sum of its proper divisors (30609016).

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

27826340 is a wasteful number, since it uses less digits than its factorization.

27826340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391326 (or 1391324 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 27826340 is about 5275.0677720765. The cubic root of 27826340 is about 303.0298162194.

The spelling of 27826340 in words is "twenty-seven million, eight hundred twenty-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1391317 2782634 5565268 6956585 13913170 27826340