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4984921 = 18127541
BaseRepresentation
bin10011000001000001011001
3100101021000201
4103001001121
52234004141
6254502201
760241204
oct23010131
910337021
104984921
1128a5277
121804961
131056c76
1493a93b
15687031
hex4c1059

4984921 has 4 divisors (see below), whose sum is σ = 5012644. Its totient is φ = 4957200.

The previous prime is 4984919. The next prime is 4984933. The reversal of 4984921 is 1294894.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 741321 + 4243600 = 861^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 4984921 - 21 = 4984919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4984321) 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, 13590 + ... + 13951.

It is an arithmetic number, because the mean of its divisors is an integer number (1253161).

Almost surely, 24984921 is an apocalyptic number.

It is an amenable number.

4984921 is a deficient number, since it is larger than the sum of its proper divisors (27723).

4984921 is a wasteful number, since it uses less digits than its factorization.

4984921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27722.

The product of its digits is 20736, while the sum is 37.

The square root of 4984921 is about 2232.6936646123. The cubic root of 4984921 is about 170.8255233921.

The spelling of 4984921 in words is "four million, nine hundred eighty-four thousand, nine hundred twenty-one".

Divisors: 1 181 27541 4984921