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5147979 = 311811453
BaseRepresentation
bin10011101000110101001011
3100200112200220
4103220311023
52304213404
6302201123
761520454
oct23506513
910615626
105147979
1129a6831
1218831a3
1310b3255
1498012b
156ba4d9
hex4e8d4b

5147979 has 8 divisors (see below), whose sum is σ = 6874512. Its totient is φ = 3426720.

The previous prime is 5147963. The next prime is 5147981. The reversal of 5147979 is 9797415.

It is a happy number.

5147979 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5147979 - 24 = 5147963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5147979.

It is not an unprimeable number, because it can be changed into a prime (5147939) 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, 2817 + ... + 4269.

It is an arithmetic number, because the mean of its divisors is an integer number (859314).

Almost surely, 25147979 is an apocalyptic number.

5147979 is a deficient number, since it is larger than the sum of its proper divisors (1726533).

5147979 is a wasteful number, since it uses less digits than its factorization.

5147979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637.

The product of its digits is 79380, while the sum is 42.

The square root of 5147979 is about 2268.9158203865. The cubic root of 5147979 is about 172.6681578030.

The spelling of 5147979 in words is "five million, one hundred forty-seven thousand, nine hundred seventy-nine".

Divisors: 1 3 1181 1453 3543 4359 1715993 5147979