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2942930 = 25294293
BaseRepresentation
bin1011001110011111010010
312112111221102
423032133102
51223133210
6143024402
734004654
oct13163722
95474842
102942930
111730081
12b9b102
137c06a3
145686d4
153d1ea5
hex2ce7d2

2942930 has 8 divisors (see below), whose sum is σ = 5297292. Its totient is φ = 1177168.

The previous prime is 2942909. The next prime is 2942959. The reversal of 2942930 is 392492.

It can be written as a sum of positive squares in 2 ways, for example, as 2719201 + 223729 = 1649^2 + 473^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2942893 and 2942902.

It is an unprimeable number.

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, 147137 + ... + 147156.

22942930 is an apocalyptic number.

2942930 is a deficient number, since it is larger than the sum of its proper divisors (2354362).

2942930 is a wasteful number, since it uses less digits than its factorization.

2942930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294300.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 2942930 is about 1715.4970125302. The cubic root of 2942930 is about 143.3045492347.

The spelling of 2942930 in words is "two million, nine hundred forty-two thousand, nine hundred thirty".

Divisors: 1 2 5 10 294293 588586 1471465 2942930