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4949493 = 31649831
BaseRepresentation
bin10010111000010111110101
3100022110102120
4102320113311
52231340433
6254030153
760033003
oct22702765
910273376
104949493
11288069a
1217a8359
131043ac3
1492ba73
1567b7b3
hex4b85f5

4949493 has 4 divisors (see below), whose sum is σ = 6599328. Its totient is φ = 3299660.

The previous prime is 4949489. The next prime is 4949501. The reversal of 4949493 is 3949494.

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 4949493 - 22 = 4949489 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4949423) 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, 824913 + ... + 824918.

It is an arithmetic number, because the mean of its divisors is an integer number (1649832).

Almost surely, 24949493 is an apocalyptic number.

It is an amenable number.

4949493 is a deficient number, since it is larger than the sum of its proper divisors (1649835).

4949493 is a wasteful number, since it uses less digits than its factorization.

4949493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649834.

The product of its digits is 139968, while the sum is 42.

The square root of 4949493 is about 2224.7456034342. The cubic root of 4949493 is about 170.4198733131.

Subtracting from 4949493 its reverse (3949494), we obtain a palindrome (999999).

The spelling of 4949493 in words is "four million, nine hundred forty-nine thousand, four hundred ninety-three".

Divisors: 1 3 1649831 4949493