Search a number
-
+
4989617 = 61157521
BaseRepresentation
bin10011000010001010110001
3100101111110122
4103002022301
52234131432
6254540025
760260663
oct23021261
910344418
104989617
1128a8856
121807615
131059149
1493c533
15688612
hex4c22b1

4989617 has 8 divisors (see below), whose sum is σ = 5113512. Its totient is φ = 4867200.

The previous prime is 4989613. The next prime is 4989637. The reversal of 4989617 is 7169894.

It can be written as a sum of positive squares in 4 ways, for example, as 78961 + 4910656 = 281^2 + 2216^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4989617 - 22 = 4989613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4989613) 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, 9317 + ... + 9837.

It is an arithmetic number, because the mean of its divisors is an integer number (639189).

Almost surely, 24989617 is an apocalyptic number.

It is an amenable number.

4989617 is a deficient number, since it is larger than the sum of its proper divisors (123895).

4989617 is a wasteful number, since it uses less digits than its factorization.

4989617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739.

The product of its digits is 108864, while the sum is 44.

The square root of 4989617 is about 2233.7450615502. The cubic root of 4989617 is about 170.8791481061.

The spelling of 4989617 in words is "four million, nine hundred eighty-nine thousand, six hundred seventeen".

Divisors: 1 61 157 521 9577 31781 81797 4989617