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2988197 = 28310559
BaseRepresentation
bin1011011001100010100101
312121211000222
423121202211
51231110242
6144014125
734253642
oct13314245
95554028
102988197
111761093
121001345
13808184
1457adc9
153e05d2
hex2d98a5

2988197 has 4 divisors (see below), whose sum is σ = 2999040. Its totient is φ = 2977356.

The previous prime is 2988191. The next prime is 2988233. The reversal of 2988197 is 7918892.

2988197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2988197 - 212 = 2984101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2988191) 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, 4997 + ... + 5562.

It is an arithmetic number, because the mean of its divisors is an integer number (749760).

22988197 is an apocalyptic number.

It is an amenable number.

2988197 is a deficient number, since it is larger than the sum of its proper divisors (10843).

2988197 is a wasteful number, since it uses less digits than its factorization.

2988197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10842.

The product of its digits is 72576, while the sum is 44.

The square root of 2988197 is about 1728.6402170492. The cubic root of 2988197 is about 144.0355654179.

The spelling of 2988197 in words is "two million, nine hundred eighty-eight thousand, one hundred ninety-seven".

Divisors: 1 283 10559 2988197