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4909892 = 221394421
BaseRepresentation
bin10010101110101101000100
3100020110002212
4102232231010
52224104032
6253122552
756506361
oct22565504
910213085
104909892
112853969
121789458
13102ba80
1491b468
1566ebb2
hex4aeb44

4909892 has 12 divisors (see below), whose sum is σ = 9253356. Its totient is φ = 2266080.

The previous prime is 4909871. The next prime is 4909939. The reversal of 4909892 is 2989094.

It can be written as a sum of positive squares in 2 ways, for example, as 2033476 + 2876416 = 1426^2 + 1696^2 .

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 47159 + ... + 47262.

It is an arithmetic number, because the mean of its divisors is an integer number (771113).

Almost surely, 24909892 is an apocalyptic number.

It is an amenable number.

4909892 is a deficient number, since it is larger than the sum of its proper divisors (4343464).

4909892 is a wasteful number, since it uses less digits than its factorization.

4909892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94438 (or 94436 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 4909892 is about 2215.8276106232. The cubic root of 4909892 is about 169.9641446873.

The spelling of 4909892 in words is "four million, nine hundred nine thousand, eight hundred ninety-two".

Divisors: 1 2 4 13 26 52 94421 188842 377684 1227473 2454946 4909892