Search a number
-
+
613284249 = 31091875487
BaseRepresentation
bin100100100011011…
…111100110011001
31120202000001211110
4210203133212121
52224000043444
6140504450533
721124554504
oct4443374631
91522001743
10613284249
11295201596
12151479a49
139a09a2b6
145b64413b
1538c93cb9
hex248df999

613284249 has 8 divisors (see below), whose sum is σ = 825214720. Its totient is φ = 405104976.

The previous prime is 613284227. The next prime is 613284281. The reversal of 613284249 is 942482316.

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

It is not a de Polignac number, because 613284249 - 213 = 613276057 is a prime.

It is a super-2 number, since 2×6132842492 = 752235140142988002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613284349) 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, 937417 + ... + 938070.

It is an arithmetic number, because the mean of its divisors is an integer number (103151840).

Almost surely, 2613284249 is an apocalyptic number.

It is an amenable number.

613284249 is a deficient number, since it is larger than the sum of its proper divisors (211930471).

613284249 is a wasteful number, since it uses less digits than its factorization.

613284249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875599.

The product of its digits is 82944, while the sum is 39.

The square root of 613284249 is about 24764.5764954703. The cubic root of 613284249 is about 849.6119331206.

The spelling of 613284249 in words is "six hundred thirteen million, two hundred eighty-four thousand, two hundred forty-nine".

Divisors: 1 3 109 327 1875487 5626461 204428083 613284249