Search a number
-
+
3120768 = 2734743
BaseRepresentation
bin1011111001111010000000
312212112220000
423321322000
51244331033
6150520000
735345310
oct13717200
95775800
103120768
111841752
121066000
13853611
145b3440
15419a13
hex2f9e80

3120768 has 160 divisors (see below), whose sum is σ = 10860960. Its totient is φ = 870912.

The previous prime is 3120763. The next prime is 3120791. The reversal of 3120768 is 8670213.

3120768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 72555 + ... + 72597.

It is an arithmetic number, because the mean of its divisors is an integer number (67881).

Almost surely, 23120768 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 3120768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5430480).

3120768 is an abundant number, since it is smaller than the sum of its proper divisors (7740192).

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

3120768 is an equidigital number, since it uses as much as digits as its factorization.

3120768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 3120768 is about 1766.5695570795. The cubic root of 3120768 is about 146.1348600666.

The spelling of 3120768 in words is "three million, one hundred twenty thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 43 48 54 56 63 64 72 81 84 86 96 108 112 126 128 129 144 162 168 172 189 192 216 224 252 258 288 301 324 336 344 378 384 387 432 448 504 516 567 576 602 648 672 688 756 774 864 896 903 1008 1032 1134 1152 1161 1204 1296 1344 1376 1512 1548 1728 1806 2016 2064 2268 2322 2408 2592 2688 2709 2752 3024 3096 3456 3483 3612 4032 4128 4536 4644 4816 5184 5418 5504 6048 6192 6966 7224 8064 8127 8256 9072 9288 9632 10368 10836 12096 12384 13932 14448 16254 16512 18144 18576 19264 21672 24192 24381 24768 27864 28896 32508 36288 37152 38528 43344 48762 49536 55728 57792 65016 72576 74304 86688 97524 111456 115584 130032 148608 173376 195048 222912 260064 346752 390096 445824 520128 780192 1040256 1560384 3120768