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82968288 = 25313193499
BaseRepresentation
bin1001111000111…
…11111011100000
312210010020002120
410330133323200
5132214441123
612122144240
72025135024
oct474377340
9183106076
1082968288
1142919337
1223952080
131425c480
14b03a384
15743d2e3
hex4f1fee0

82968288 has 96 divisors (see below), whose sum is σ = 246960000. Its totient is φ = 24178176.

The previous prime is 82968287. The next prime is 82968289. The reversal of 82968288 is 88286928.

It is an interprime number because it is at equal distance from previous prime (82968287) and next prime (82968289).

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 82968288.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82968283) 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, 21963 + ... + 25461.

It is an arithmetic number, because the mean of its divisors is an integer number (2572500).

Almost surely, 282968288 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 82968288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123480000).

82968288 is an abundant number, since it is smaller than the sum of its proper divisors (163991712).

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

82968288 is a wasteful number, since it uses less digits than its factorization.

82968288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544 (or 3536 counting only the distinct ones).

The product of its digits is 884736, while the sum is 51.

The square root of 82968288 is about 9108.6929907644. The cubic root of 82968288 is about 436.1515058578.

The spelling of 82968288 in words is "eighty-two million, nine hundred sixty-eight thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 19 24 26 32 38 39 48 52 57 76 78 96 104 114 152 156 208 228 247 304 312 416 456 494 608 624 741 912 988 1248 1482 1824 1976 2964 3499 3952 5928 6998 7904 10497 11856 13996 20994 23712 27992 41988 45487 55984 66481 83976 90974 111968 132962 136461 167952 181948 199443 265924 272922 335904 363896 398886 531848 545844 727792 797772 864253 1063696 1091688 1455584 1595544 1728506 2127392 2183376 2592759 3191088 3457012 4366752 5185518 6382176 6914024 10371036 13828048 20742072 27656096 41484144 82968288