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82357338 = 23723767113
BaseRepresentation
bin1001110100010…
…10110001011010
312201222012000210
410322022301122
5132040413323
612101111550
72020011600
oct472126132
9181865023
1082357338
1142541318
12236b85b6
13140a736b
14ad1b870
15736c293
hex4e8ac5a

82357338 has 96 divisors (see below), whose sum is σ = 201489984. Its totient is φ = 22353408.

The previous prime is 82357313. The next prime is 82357339. The reversal of 82357338 is 83375328.

It is a super-2 number, since 2×823573382 = 13565462244892488, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 82357296 and 82357305.

It is not an unprimeable number, because it can be changed into a prime (82357339) 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 47 ways as a sum of consecutive naturals, for example, 728770 + ... + 728882.

It is an arithmetic number, because the mean of its divisors is an integer number (2098854).

Almost surely, 282357338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82357338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100744992).

82357338 is an abundant number, since it is smaller than the sum of its proper divisors (119132646).

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

82357338 is a wasteful number, since it uses less digits than its factorization.

82357338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 229 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 82357338 is about 9075.0943796745. The cubic root of 82357338 is about 435.0783106470.

The spelling of 82357338 in words is "eighty-two million, three hundred fifty-seven thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 37 42 49 67 74 98 111 113 134 147 201 222 226 259 294 339 402 469 518 678 777 791 938 1407 1554 1582 1813 2373 2479 2814 3283 3626 4181 4746 4958 5439 5537 6566 7437 7571 8362 9849 10878 11074 12543 14874 15142 16611 17353 19698 22713 25086 29267 33222 34706 45426 52059 52997 58534 87801 104118 105994 121471 158991 175602 204869 242942 280127 317982 364413 370979 409738 560254 614607 728826 741958 840381 1112937 1229214 1680762 1960889 2225874 3921778 5882667 11765334 13726223 27452446 41178669 82357338