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2979748 = 222293253
BaseRepresentation
bin1011010111011110100100
312121101110001
423113132210
51230322443
6143511044
734220212
oct13273644
95541401
102979748
111755802
12bb8484
13804385
14577cb2
153dcd4d
hex2d77a4

2979748 has 12 divisors (see below), whose sum is σ = 5238940. Its totient is φ = 1482912.

The previous prime is 2979737. The next prime is 2979749. The reversal of 2979748 is 8479792.

It can be written as a sum of positive squares in 2 ways, for example, as 2896804 + 82944 = 1702^2 + 288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2979698 and 2979707.

It is not an unprimeable number, because it can be changed into a prime (2979749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711 + ... + 2542.

22979748 is an apocalyptic number.

It is an amenable number.

2979748 is a deficient number, since it is larger than the sum of its proper divisors (2259192).

2979748 is a wasteful number, since it uses less digits than its factorization.

2979748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486 (or 3484 counting only the distinct ones).

The product of its digits is 254016, while the sum is 46.

The square root of 2979748 is about 1726.1946587798. The cubic root of 2979748 is about 143.8996857931.

The spelling of 2979748 in words is "two million, nine hundred seventy-nine thousand, seven hundred forty-eight".

Divisors: 1 2 4 229 458 916 3253 6506 13012 744937 1489874 2979748