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2990979 = 33110777
BaseRepresentation
bin1011011010001110000011
312121221212000
423122032003
51231202404
6144035043
734265025
oct13321603
95557760
102990979
111763192
121002a83
13809514
1457c015
153e1339
hex2da383

2990979 has 8 divisors (see below), whose sum is σ = 4431120. Its totient is φ = 1993968.

The previous prime is 2990957. The next prime is 2990983. The reversal of 2990979 is 9790992.

2990979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2990979 - 216 = 2925443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2990279) 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, 55362 + ... + 55415.

It is an arithmetic number, because the mean of its divisors is an integer number (553890).

22990979 is an apocalyptic number.

2990979 is a deficient number, since it is larger than the sum of its proper divisors (1440141).

2990979 is a wasteful number, since it uses less digits than its factorization.

2990979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110786 (or 110780 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The square root of 2990979 is about 1729.4447085698. Note that the first 3 decimals coincide. The cubic root of 2990979 is about 144.0802504075.

It can be divided in two parts, 2990 and 979, that added together give a square (3969 = 632).

The spelling of 2990979 in words is "two million, nine hundred ninety thousand, nine hundred seventy-nine".

Divisors: 1 3 9 27 110777 332331 996993 2990979