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4997279 = 72331039
BaseRepresentation
bin10011000100000010011111
3100101212222102
4103010002133
52234403104
6255035315
760322220
oct23040237
910355872
104997279
112903591
12180bb3b
13105c791
14941247
1568aa1e
hex4c409f

4997279 has 8 divisors (see below), whose sum is σ = 5959680. Its totient is φ = 4097016.

The previous prime is 4997273. The next prime is 4997281. The reversal of 4997279 is 9727994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-4997279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4997273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15359 + ... + 15680.

It is an arithmetic number, because the mean of its divisors is an integer number (744960).

Almost surely, 24997279 is an apocalyptic number.

4997279 is a deficient number, since it is larger than the sum of its proper divisors (962401).

4997279 is a wasteful number, since it uses less digits than its factorization.

4997279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31069.

The product of its digits is 285768, while the sum is 47.

The square root of 4997279 is about 2235.4594606031. The cubic root of 4997279 is about 170.9665700755.

The spelling of 4997279 in words is "four million, nine hundred ninety-seven thousand, two hundred seventy-nine".

Divisors: 1 7 23 161 31039 217273 713897 4997279