Search a number
-
+
2988688 = 24186793
BaseRepresentation
bin1011011001101010010000
312121211201011
423121222100
51231114223
6144020304
734255243
oct13315220
95554634
102988688
11176149a
121001694
13808471
1457b25a
153e080d
hex2d9a90

2988688 has 10 divisors (see below), whose sum is σ = 5790614. Its totient is φ = 1494336.

The previous prime is 2988677. The next prime is 2988701. The reversal of 2988688 is 8868892.

2988688 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in only one way, i.e., 2985984 + 2704 = 1728^2 + 52^2 .

It is a super-2 number, since 2×29886882 = 17864511922688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93381 + ... + 93412.

22988688 is an apocalyptic number.

It is an amenable number.

2988688 is a deficient number, since it is larger than the sum of its proper divisors (2801926).

2988688 is a wasteful number, since it uses less digits than its factorization.

2988688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186801 (or 186795 counting only the distinct ones).

The product of its digits is 442368, while the sum is 49.

The square root of 2988688 is about 1728.7822303575. The cubic root of 2988688 is about 144.0434539640.

The spelling of 2988688 in words is "two million, nine hundred eighty-eight thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 186793 373586 747172 1494344 2988688