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83113265 = 540141453
BaseRepresentation
bin1001111010000…
…11010100110001
312210101120222002
410331003110301
5132234111030
612125223345
72026310504
oct475032461
9183346862
1083113265
1142a08254
1223a01b55
13142b0461
14b07713b
15746b245
hex4f43531

83113265 has 8 divisors (see below), whose sum is σ = 99987048. Its totient is φ = 66323200.

The previous prime is 83113223. The next prime is 83113267. The reversal of 83113265 is 56231138.

It can be written as a sum of positive squares in 4 ways, for example, as 13490929 + 69622336 = 3673^2 + 8344^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83113265 - 210 = 83112241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83113267) 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, 18722 + ... + 22731.

It is an arithmetic number, because the mean of its divisors is an integer number (12498381).

Almost surely, 283113265 is an apocalyptic number.

It is an amenable number.

83113265 is a deficient number, since it is larger than the sum of its proper divisors (16873783).

83113265 is a wasteful number, since it uses less digits than its factorization.

83113265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41859.

The product of its digits is 4320, while the sum is 29.

The square root of 83113265 is about 9116.6476843191. The cubic root of 83113265 is about 436.4053986164.

The spelling of 83113265 in words is "eighty-three million, one hundred thirteen thousand, two hundred sixty-five".

Divisors: 1 5 401 2005 41453 207265 16622653 83113265