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4932991 = 7704713
BaseRepresentation
bin10010110100010101111111
3100021121210101
4102310111333
52230323431
6253421531
756633620
oct22642577
910247711
104932991
11286a258
12179a8a7
13103943b
14925a47
15676961
hex4b457f

4932991 has 4 divisors (see below), whose sum is σ = 5637712. Its totient is φ = 4228272.

The previous prime is 4932953. The next prime is 4933007. The reversal of 4932991 is 1992394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1992394 = 2996197.

It is a cyclic number.

It is not a de Polignac number, because 4932991 - 29 = 4932479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4932991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4932901) 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, 352350 + ... + 352363.

It is an arithmetic number, because the mean of its divisors is an integer number (1409428).

Almost surely, 24932991 is an apocalyptic number.

4932991 is a deficient number, since it is larger than the sum of its proper divisors (704721).

4932991 is an equidigital number, since it uses as much as digits as its factorization.

4932991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704720.

The product of its digits is 17496, while the sum is 37.

The square root of 4932991 is about 2221.0337683160. The cubic root of 4932991 is about 170.2302646674.

The spelling of 4932991 in words is "four million, nine hundred thirty-two thousand, nine hundred ninety-one".

Divisors: 1 7 704713 4932991