Search a number
-
+
83885256 = 233272133159
BaseRepresentation
bin1001111111111…
…11110011001000
312211211210221100
410333333303020
5132433312011
612153541400
72036004300
oct477776310
9184753840
1083885256
1143395264
1224114860
13144c0960
14b1d8600
15756ed56
hex4fffcc8

83885256 has 288 divisors, whose sum is σ = 298771200. Its totient is φ = 21047040.

The previous prime is 83885251. The next prime is 83885267. The reversal of 83885256 is 65258838.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (83885251) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1421755 + ... + 1421813.

It is an arithmetic number, because the mean of its divisors is an integer number (1037400).

Almost surely, 283885256 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 83885256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149385600).

83885256 is an abundant number, since it is smaller than the sum of its proper divisors (214885944).

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

83885256 is a wasteful number, since it uses less digits than its factorization.

83885256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 115 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 83885256 is about 9158.8894523299. The cubic root of 83885256 is about 437.7524090151.

The spelling of 83885256 in words is "eighty-three million, eight hundred eighty-five thousand, two hundred fifty-six".