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2988705 = 35199247
BaseRepresentation
bin1011011001101010100001
312121211201210
423121222201
51231114310
6144020333
734255266
oct13315241
95554653
102988705
111761505
1210016a9
13808485
1457b26d
153e0820
hex2d9aa1

2988705 has 8 divisors (see below), whose sum is σ = 4781952. Its totient is φ = 1593968.

The previous prime is 2988703. The next prime is 2988707. The reversal of 2988705 is 5078892.

2988705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2988703) and next prime (2988707).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2988705 - 21 = 2988703 is a prime.

It is a d-powerful number, because it can be written as 216 + 96 + 86 + 87 + 75 + 0 + 56 .

It is not an unprimeable number, because it can be changed into a prime (2988701) 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 7 ways as a sum of consecutive naturals, for example, 99609 + ... + 99638.

It is an arithmetic number, because the mean of its divisors is an integer number (597744).

22988705 is an apocalyptic number.

It is an amenable number.

2988705 is a deficient number, since it is larger than the sum of its proper divisors (1793247).

2988705 is a wasteful number, since it uses less digits than its factorization.

2988705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199255.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 2988705 is about 1728.7871471063. The cubic root of 2988705 is about 144.0437270754.

The spelling of 2988705 in words is "two million, nine hundred eighty-eight thousand, seven hundred five".

Divisors: 1 3 5 15 199247 597741 996235 2988705