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2988612 = 2232117547
BaseRepresentation
bin1011011001101001000100
312121211121100
423121221010
51231113422
6144020100
734255104
oct13315104
95554540
102988612
111761430
121001630
13808413
1457b204
153e07ac
hex2d9a44

2988612 has 36 divisors (see below), whose sum is σ = 8242416. Its totient is φ = 905520.

The previous prime is 2988611. The next prime is 2988619. The reversal of 2988612 is 2168892.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2988611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3378 + ... + 4169.

It is an arithmetic number, because the mean of its divisors is an integer number (228956).

22988612 is an apocalyptic number.

2988612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2988612 is an abundant number, since it is smaller than the sum of its proper divisors (5253804).

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

2988612 is a wasteful number, since it uses less digits than its factorization.

2988612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7568 (or 7563 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 2988612 is about 1728.7602494273. The cubic root of 2988612 is about 144.0422329829.

It can be divided in two parts, 2988 and 612, that added together give a square (3600 = 602).

The spelling of 2988612 in words is "two million, nine hundred eighty-eight thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 7547 15094 22641 30188 45282 67923 83017 90564 135846 166034 249051 271692 332068 498102 747153 996204 1494306 2988612