Search a number
-
+
6849472320 = 2633531107239
BaseRepresentation
bin1100110000100001…
…01010011101000000
3122200100111020122000
412120100222131000
5103011431103240
63051355544000
7331510361025
oct63020523500
918610436560
106849472320
1129a5391a29
1213b1a5b000
13852080b02
1448d97554c
152a14d3430
hex19842a740

6849472320 has 448 divisors, whose sum is σ = 25281331200. Its totient is φ = 1743759360.

The previous prime is 6849472297. The next prime is 6849472339. The reversal of 6849472320 is 232749486.

6849472320 is a `hidden beast` number, since 68 + 494 + 72 + 32 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28658761 + ... + 28658999.

Almost surely, 26849472320 is an apocalyptic number.

6849472320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6849472320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12640665600).

6849472320 is an abundant number, since it is smaller than the sum of its proper divisors (18431858880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6849472320 is a wasteful number, since it uses less digits than its factorization.

6849472320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 6849472320 is about 82761.5388933773. The cubic root of 6849472320 is about 1899.1198434932.

The spelling of 6849472320 in words is "six billion, eight hundred forty-nine million, four hundred seventy-two thousand, three hundred twenty".