Search a number
-
+
83811348 = 2234258677
BaseRepresentation
bin1001111111011…
…01110000010100
312211201001120000
410333231300110
5132423430343
612152211300
72035245645
oct477556024
9184631500
1083811348
1143344785
1224099b30
131449611a
14b1b96cc
157557ed3
hex4fedc14

83811348 has 30 divisors (see below), whose sum is σ = 219100266. Its totient is φ = 27937008.

The previous prime is 83811347. The next prime is 83811353. The reversal of 83811348 is 84311838.

It can be written as a sum of positive squares in only one way, i.e., 79067664 + 4743684 = 8892^2 + 2178^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83811347) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 129015 + ... + 129662.

Almost surely, 283811348 is an apocalyptic number.

It is an amenable number.

83811348 is an abundant number, since it is smaller than the sum of its proper divisors (135288918).

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

83811348 is a wasteful number, since it uses less digits than its factorization.

83811348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258693 (or 258682 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 83811348 is about 9154.8537945726. The cubic root of 83811348 is about 437.6238090957.

The spelling of 83811348 in words is "eighty-three million, eight hundred eleven thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 258677 517354 776031 1034708 1552062 2328093 3104124 4656186 6984279 9312372 13968558 20952837 27937116 41905674 83811348