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2948249 = 19155171
BaseRepresentation
bin1011001111110010011001
312112210020102
423033302121
51223320444
6143105145
734026323
oct13176231
95483212
102948249
111734077
12ba21b5
137c2c35
1456a613
153d384e
hex2cfc99

2948249 has 4 divisors (see below), whose sum is σ = 3103440. Its totient is φ = 2793060.

The previous prime is 2948233. The next prime is 2948261. The reversal of 2948249 is 9428492.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2948249 - 24 = 2948233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2948219) 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, 77567 + ... + 77604.

It is an arithmetic number, because the mean of its divisors is an integer number (775860).

22948249 is an apocalyptic number.

It is an amenable number.

2948249 is a deficient number, since it is larger than the sum of its proper divisors (155191).

2948249 is a wasteful number, since it uses less digits than its factorization.

2948249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155190.

The product of its digits is 41472, while the sum is 38.

The square root of 2948249 is about 1717.0465922624. The cubic root of 2948249 is about 143.3908326484.

The spelling of 2948249 in words is "two million, nine hundred forty-eight thousand, two hundred forty-nine".

Divisors: 1 19 155171 2948249