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83916 = 2234737
BaseRepresentation
bin10100011111001100
311021010000
4110133030
510141131
61444300
7466440
oct243714
9137100
1083916
1158058
1240690
132c271
1422820
1519ce6
hex147cc

83916 has 60 divisors (see below), whose sum is σ = 257488. Its totient is φ = 23328.

The previous prime is 83911. The next prime is 83921. The reversal of 83916 is 61938.

83916 = T48 + T49 + ... + T84.

83916 = 133 + 143 + ... + 243.

It is an interprime number because it is at equal distance from previous prime (83911) and next prime (83921).

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

It is an Ulam number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 83916.

It is not an unprimeable number, because it can be changed into a prime (83911) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2250 + ... + 2286.

283916 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 83916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128744).

83916 is an abundant number, since it is smaller than the sum of its proper divisors (173572).

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

83916 is a wasteful number, since it uses less digits than its factorization.

83916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60 (or 49 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 83916 is about 289.6825849098. The cubic root of 83916 is about 43.7805881329.

It can be divided in two parts, 83 and 916, that added together give a palindrome (999).

The spelling of 83916 in words is "eighty-three thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 37 42 54 63 74 81 84 108 111 126 148 162 189 222 252 259 324 333 378 444 518 567 666 756 777 999 1036 1134 1332 1554 1998 2268 2331 2997 3108 3996 4662 5994 6993 9324 11988 13986 20979 27972 41958 83916