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873825768 = 233231273173
BaseRepresentation
bin110100000101011…
…000010111101000
32020220020221121100
4310011120113220
53242144411033
6222413041400
730440252664
oct6405302750
92226227540
10873825768
11409285262
12204786260
1310c060b8a
14840a58a4
1551aab513
hex341585e8

873825768 has 144 divisors (see below), whose sum is σ = 2493244260. Its totient is φ = 276410880.

The previous prime is 873825727. The next prime is 873825769. The reversal of 873825768 is 867528378.

It can be written as a sum of positive squares in 2 ways, for example, as 809857764 + 63968004 = 28458^2 + 7998^2 .

Its product of digits (4515840) is a multiple of the sum of its prime factors (320).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873825769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5050930 + ... + 5051102.

Almost surely, 2873825768 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 873825768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1246622130).

873825768 is an abundant number, since it is smaller than the sum of its proper divisors (1619418492).

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

873825768 is a wasteful number, since it uses less digits than its factorization.

873825768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 282 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 873825768 is about 29560.5441086594. The cubic root of 873825768 is about 956.0375474711.

The spelling of 873825768 in words is "eight hundred seventy-three million, eight hundred twenty-five thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 31 36 62 72 73 93 124 146 173 186 219 248 279 292 346 372 438 519 558 584 657 692 744 876 961 1038 1116 1314 1384 1557 1752 1922 2076 2232 2263 2628 2883 3114 3844 4152 4526 5256 5363 5766 6228 6789 7688 8649 9052 10726 11532 12456 12629 13578 16089 17298 18104 20367 21452 23064 25258 27156 32178 34596 37887 40734 42904 48267 50516 54312 64356 69192 70153 75774 81468 96534 101032 113661 128712 140306 151548 162936 166253 193068 210459 227322 280612 303096 332506 386136 391499 420918 454644 498759 561224 631377 665012 782998 841836 909288 997518 1174497 1262754 1330024 1496277 1565996 1683672 1995036 2348994 2525508 2992554 3131992 3523491 3990072 4697988 5051016 5985108 7046982 9395976 11970216 12136469 14093964 24272938 28187928 36409407 48545876 72818814 97091752 109228221 145637628 218456442 291275256 436912884 873825768