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8949049 = 31288679
BaseRepresentation
bin100010001000…
…110100111001
3121211122210021
4202020310321
54242332144
6515450441
7136031344
oct42106471
917748707
108949049
11506260a
122bb6a21
131b143c5
14128d45b
15bbb884
hex888d39

8949049 has 4 divisors (see below), whose sum is σ = 9237760. Its totient is φ = 8660340.

The previous prime is 8949037. The next prime is 8949067. The reversal of 8949049 is 9409498.

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 8949049 - 27 = 8948921 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 8948996 and 8949014.

It is not an unprimeable number, because it can be changed into a prime (8949649) 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, 144309 + ... + 144370.

It is an arithmetic number, because the mean of its divisors is an integer number (2309440).

Almost surely, 28949049 is an apocalyptic number.

It is an amenable number.

8949049 is a deficient number, since it is larger than the sum of its proper divisors (288711).

8949049 is a wasteful number, since it uses less digits than its factorization.

8949049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288710.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 8949049 is about 2991.4961139871. The cubic root of 8949049 is about 207.6151120133.

The spelling of 8949049 in words is "eight million, nine hundred forty-nine thousand, forty-nine".

Divisors: 1 31 288679 8949049