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82618968 = 23331293379
BaseRepresentation
bin1001110110010…
…10101001011000
312202110110220210
410323022221120
5132122301333
612110451120
72022151425
oct473125130
9182413823
1082618968
11426aa943
1223803aa0
1314169483
14ad88d4c
1573bea63
hex4ecaa58

82618968 has 64 divisors (see below), whose sum is σ = 214502400. Its totient is φ = 26490240.

The previous prime is 82618951. The next prime is 82618981. The reversal of 82618968 is 86981628.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 217803 + ... + 218181.

It is an arithmetic number, because the mean of its divisors is an integer number (3351600).

Almost surely, 282618968 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 82618968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107251200).

82618968 is an abundant number, since it is smaller than the sum of its proper divisors (131883432).

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

82618968 is a wasteful number, since it uses less digits than its factorization.

82618968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712 (or 708 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 82618968 is about 9089.4976758895. The cubic root of 82618968 is about 435.5385376563.

The spelling of 82618968 in words is "eighty-two million, six hundred eighteen thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 293 372 379 586 744 758 879 1137 1172 1516 1758 2274 2344 3032 3516 4548 7032 9083 9096 11749 18166 23498 27249 35247 36332 46996 54498 70494 72664 93992 108996 111047 140988 217992 222094 281976 333141 444188 666282 888376 1332564 2665128 3442457 6884914 10327371 13769828 20654742 27539656 41309484 82618968