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2988656 = 241116981
BaseRepresentation
bin1011011001101001110000
312121211122222
423121221300
51231114111
6144020212
734255166
oct13315160
95554588
102988656
111761470
121001668
13808448
1457b236
153e07db
hex2d9a70

2988656 has 20 divisors (see below), whose sum is σ = 6317304. Its totient is φ = 1358400.

The previous prime is 2988647. The next prime is 2988659. The reversal of 2988656 is 6568892.

It is a happy number.

2988656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2988659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8315 + ... + 8666.

22988656 is an apocalyptic number.

It is an amenable number.

2988656 is an abundant number, since it is smaller than the sum of its proper divisors (3328648).

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

2988656 is a wasteful number, since it uses less digits than its factorization.

2988656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17000 (or 16994 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 2988656 is about 1728.7729752631. The cubic root of 2988656 is about 144.0429398692.

The spelling of 2988656 in words is "two million, nine hundred eighty-eight thousand, six hundred fifty-six".

Divisors: 1 2 4 8 11 16 22 44 88 176 16981 33962 67924 135848 186791 271696 373582 747164 1494328 2988656