Search a number
-
+
3103230320 = 2451711531979
BaseRepresentation
bin1011100011110111…
…1000100101110000
322000021021102201022
42320331320211300
522323411332240
61231532555012
7136621010501
oct27075704560
98007242638
103103230320
111352768963
12727322a68
133a5bb9478
142161d8ba8
151326859b5
hexb8f78970

3103230320 has 80 divisors (see below), whose sum is σ = 7649912160. Its totient is φ = 1166671872.

The previous prime is 3103230287. The next prime is 3103230323. The reversal of 3103230320 is 230323013.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103230323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1567091 + ... + 1569069.

It is an arithmetic number, because the mean of its divisors is an integer number (95623902).

Almost surely, 23103230320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3103230320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3824956080).

3103230320 is an abundant number, since it is smaller than the sum of its proper divisors (4546681840).

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

3103230320 is a wasteful number, since it uses less digits than its factorization.

3103230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162 (or 3156 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 3103230320 is about 55706.6452050382. The cubic root of 3103230320 is about 1458.6060254654.

Adding to 3103230320 its reverse (230323013), we get a palindrome (3333553333).

The spelling of 3103230320 in words is "three billion, one hundred three million, two hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1153 1360 1979 2306 3958 4612 5765 7916 9224 9895 11530 15832 18448 19601 19790 23060 31664 33643 39202 39580 46120 67286 78404 79160 92240 98005 134572 156808 158320 168215 196010 269144 313616 336430 392020 538288 672860 784040 1345720 1568080 2281787 2691440 4563574 9127148 11408935 18254296 22817870 36508592 38790379 45635740 77580758 91271480 155161516 182542960 193951895 310323032 387903790 620646064 775807580 1551615160 3103230320