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2980311 = 3993437
BaseRepresentation
bin1011010111100111010111
312121102012220
423113213113
51230332221
6143513423
734221645
oct13274727
95542186
102980311
111756174
12bb8873
138046c9
14578195
153dd0c6
hex2d79d7

2980311 has 4 divisors (see below), whose sum is σ = 3973752. Its totient is φ = 1986872.

The previous prime is 2980297. The next prime is 2980319. The reversal of 2980311 is 1130892.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2980311 - 27 = 2980183 is a prime.

It is a D-number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2980319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496716 + ... + 496721.

It is an arithmetic number, because the mean of its divisors is an integer number (993438).

22980311 is an apocalyptic number.

2980311 is a deficient number, since it is larger than the sum of its proper divisors (993441).

2980311 is an equidigital number, since it uses as much as digits as its factorization.

2980311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993440.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 2980311 is about 1726.3577265445. The cubic root of 2980311 is about 143.9087481278.

The spelling of 2980311 in words is "two million, nine hundred eighty thousand, three hundred eleven".

Divisors: 1 3 993437 2980311