Search a number
-
+
83306944 = 267199787
BaseRepresentation
bin1001111011100…
…10100111000000
312210202102122101
410331302213000
5132311310234
612133320144
72031045250
oct475624700
9183672571
1083306944
114302a816
1223a96054
131434a666
14b0c7960
1574a8814
hex4f729c0

83306944 has 56 divisors (see below), whose sum is σ = 198892160. Its totient is φ = 33820416.

The previous prime is 83306911. The next prime is 83306947. The reversal of 83306944 is 44960338.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83306947) 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 7 ways as a sum of consecutive naturals, for example, 3619 + ... + 13405.

Almost surely, 283306944 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 83306944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99446080).

83306944 is an abundant number, since it is smaller than the sum of its proper divisors (115585216).

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

83306944 is a wasteful number, since it uses less digits than its factorization.

83306944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9825 (or 9815 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 83306944 is about 9127.2637739905. The cubic root of 83306944 is about 436.7441210883.

The spelling of 83306944 in words is "eighty-three million, three hundred six thousand, nine hundred forty-four".

Divisors: 1 2 4 7 8 14 16 19 28 32 38 56 64 76 112 133 152 224 266 304 448 532 608 1064 1216 2128 4256 8512 9787 19574 39148 68509 78296 137018 156592 185953 274036 313184 371906 548072 626368 743812 1096144 1301671 1487624 2192288 2603342 2975248 4384576 5206684 5950496 10413368 11900992 20826736 41653472 83306944