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3030803440 = 245736714747
BaseRepresentation
bin1011010010100110…
…0110001111110000
321211012222202201021
42310221212033300
522201341202230
61220424345224
7135051255430
oct26451461760
97735882637
103030803440
11131589a535
12707015214
13393bab122
1420a7442c0
1512b12ac7a
hexb4a663f0

3030803440 has 80 divisors (see below), whose sum is σ = 8075768832. Its totient is φ = 1036230912.

The previous prime is 3030803429. The next prime is 3030803441. The reversal of 3030803440 is 443080303.

3030803440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030803441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198147 + ... + 212893.

Almost surely, 23030803440 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 3030803440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4037884416).

3030803440 is an abundant number, since it is smaller than the sum of its proper divisors (5044965392).

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

3030803440 is a wasteful number, since it uses less digits than its factorization.

3030803440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15134 (or 15128 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 3030803440 is about 55052.7332654792. The cubic root of 3030803440 is about 1447.1690209854.

Adding to 3030803440 its reverse (443080303), we get a palindrome (3473883743).

The spelling of 3030803440 in words is "three billion, thirty million, eight hundred three thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 367 560 734 1468 1835 2569 2936 3670 5138 5872 7340 10276 12845 14680 14747 20552 25690 29360 29494 41104 51380 58988 73735 102760 103229 117976 147470 205520 206458 235952 294940 412916 516145 589880 825832 1032290 1179760 1651664 2064580 4129160 5412149 8258320 10824298 21648596 27060745 37885043 43297192 54121490 75770086 86594384 108242980 151540172 189425215 216485960 303080344 378850430 432971920 606160688 757700860 1515401720 3030803440