Search a number
-
+
83393825 = 523335753
BaseRepresentation
bin1001111100001…
…11110100100001
312210220211211012
410332013310201
5132322100300
612135230305
72031556454
oct476076441
9183824735
1083393825
114308a019
1223b18395
131437b078
14b10b49b
1574c4435
hex4f87d21

83393825 has 6 divisors (see below), whose sum is σ = 103408374. Its totient is φ = 66715040.

The previous prime is 83393809. The next prime is 83393833. The reversal of 83393825 is 52839338.

It can be written as a sum of positive squares in 3 ways, for example, as 73441 + 83320384 = 271^2 + 9128^2 .

It is not a de Polignac number, because 83393825 - 24 = 83393809 is a prime.

It is a Duffinian 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, 1667852 + ... + 1667901.

It is an arithmetic number, because the mean of its divisors is an integer number (17234729).

Almost surely, 283393825 is an apocalyptic number.

It is an amenable number.

83393825 is a deficient number, since it is larger than the sum of its proper divisors (20014549).

83393825 is a wasteful number, since it uses less digits than its factorization.

83393825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335763 (or 3335758 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 83393825 is about 9132.0219557336. The cubic root of 83393825 is about 436.8958954819.

The spelling of 83393825 in words is "eighty-three million, three hundred ninety-three thousand, eight hundred twenty-five".

Divisors: 1 5 25 3335753 16678765 83393825