Search a number
-
+
3889288 = 231337397
BaseRepresentation
bin1110110101100010001000
321022121002201
432311202020
51443424123
6215205544
745026014
oct16654210
97277081
103889288
112217097
1213768b4
13a62370
14733544
1551c5ad
hex3b5888

3889288 has 16 divisors (see below), whose sum is σ = 7853580. Its totient is φ = 1795008.

The previous prime is 3889279. The next prime is 3889289. The reversal of 3889288 is 8829883.

It can be written as a sum of positive squares in 2 ways, for example, as 3526884 + 362404 = 1878^2 + 602^2 .

It is a super-2 number, since 2×38892882 = 30253122293888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3889289) 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, 18595 + ... + 18802.

Almost surely, 23889288 is an apocalyptic number.

It is an amenable number.

3889288 is an abundant number, since it is smaller than the sum of its proper divisors (3964292).

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

3889288 is a wasteful number, since it uses less digits than its factorization.

3889288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37416 (or 37412 counting only the distinct ones).

The product of its digits is 221184, while the sum is 46.

The square root of 3889288 is about 1972.1277849064. The cubic root of 3889288 is about 157.2618454953.

The spelling of 3889288 in words is "three million, eight hundred eighty-nine thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 13 26 52 104 37397 74794 149588 299176 486161 972322 1944644 3889288