Search a number
-
+
83112256 = 26612349
BaseRepresentation
bin1001111010000…
…11000101000000
312210101112120201
410331003011000
5132234043011
612125214544
72026304533
oct475030500
9183345521
1083112256
1142a07517
1223a01454
13142acb66
14b076a1a
15746acc1
hex4f43140

83112256 has 42 divisors (see below), whose sum is σ = 168154350. Its totient is φ = 40757760.

The previous prime is 83112247. The next prime is 83112277. The reversal of 83112256 is 65221138.

It can be written as a sum of positive squares in 3 ways, for example, as 665856 + 82446400 = 816^2 + 9080^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237970 + ... + 238318.

It is an arithmetic number, because the mean of its divisors is an integer number (4003675).

Almost surely, 283112256 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 83112256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84077175).

83112256 is an abundant number, since it is smaller than the sum of its proper divisors (85042094).

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

83112256 is an equidigital number, since it uses as much as digits as its factorization.

83112256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 412 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 83112256 is about 9116.5923458275. The cubic root of 83112256 is about 436.4036326134.

The spelling of 83112256 in words is "eighty-three million, one hundred twelve thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 32 61 64 122 244 349 488 698 976 1396 1952 2792 3721 3904 5584 7442 11168 14884 21289 22336 29768 42578 59536 85156 119072 170312 238144 340624 681248 1298629 1362496 2597258 5194516 10389032 20778064 41556128 83112256