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4988879 = 7712697
BaseRepresentation
bin10011000001111111001111
3100101110110022
4103001333033
52234121004
6254532355
760255560
oct23017717
910343408
104988879
1128a8245
1218070bb
1310589cc
1493c167
156882be
hex4c1fcf

4988879 has 4 divisors (see below), whose sum is σ = 5701584. Its totient is φ = 4276176.

The previous prime is 4988843. The next prime is 4988891. The reversal of 4988879 is 9788894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9788894 = 24894447.

It is a cyclic number.

It is not a de Polignac number, because 4988879 - 220 = 3940303 is a prime.

It is a super-3 number, since 3×49888793 (a number of 21 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4988879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4988579) 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, 356342 + ... + 356355.

It is an arithmetic number, because the mean of its divisors is an integer number (1425396).

Almost surely, 24988879 is an apocalyptic number.

4988879 is a deficient number, since it is larger than the sum of its proper divisors (712705).

4988879 is an equidigital number, since it uses as much as digits as its factorization.

4988879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712704.

The product of its digits is 1161216, while the sum is 53.

The square root of 4988879 is about 2233.5798620152. The cubic root of 4988879 is about 170.8707229417.

The spelling of 4988879 in words is "four million, nine hundred eighty-eight thousand, eight hundred seventy-nine".

Divisors: 1 7 712697 4988879