Search a number
-
+
27890848 = 25871589
BaseRepresentation
bin110101001100…
…1010010100000
31221111000001101
41222121102200
524120001343
62433444144
7456032266
oct152312240
957430041
1027890848
111481a897
129410654
135a16c7b
1439c0436
1526ade4d
hex1a994a0

27890848 has 12 divisors (see below), whose sum is σ = 54910170. Its totient is φ = 13945408.

The previous prime is 27890813. The next prime is 27890867. The reversal of 27890848 is 84809872.

It can be written as a sum of positive squares in only one way, i.e., 27164944 + 725904 = 5212^2 + 852^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27890798 and 27890807.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435763 + ... + 435826.

Almost surely, 227890848 is an apocalyptic number.

It is an amenable number.

27890848 is a deficient number, since it is larger than the sum of its proper divisors (27019322).

27890848 is an equidigital number, since it uses as much as digits as its factorization.

27890848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871599 (or 871591 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 27890848 is about 5281.1786563228. The cubic root of 27890848 is about 303.2638002948.

The spelling of 27890848 in words is "twenty-seven million, eight hundred ninety thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 32 871589 1743178 3486356 6972712 13945424 27890848