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83115241 = 1141184291
BaseRepresentation
bin1001111010000…
…11110011101001
312210101200200021
410331003303221
5132234141431
612125240441
72026316326
oct475036351
9183350607
1083115241
1142a09790
1223a03121
13142b1321
14b077b4d
15746bb11
hex4f43ce9

83115241 has 8 divisors (see below), whose sum is σ = 92883168. Its totient is φ = 73716000.

The previous prime is 83115239. The next prime is 83115251. The reversal of 83115241 is 14251138.

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

It is a cyclic number.

It is not a de Polignac number, because 83115241 - 21 = 83115239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83115211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91695 + ... + 92596.

It is an arithmetic number, because the mean of its divisors is an integer number (11610396).

Almost surely, 283115241 is an apocalyptic number.

It is an amenable number.

83115241 is a deficient number, since it is larger than the sum of its proper divisors (9767927).

83115241 is a wasteful number, since it uses less digits than its factorization.

83115241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184343.

The product of its digits is 960, while the sum is 25.

The square root of 83115241 is about 9116.7560568439. The cubic root of 83115241 is about 436.4088570705.

Adding to 83115241 its reverse (14251138), we get a palindrome (97366379).

The spelling of 83115241 in words is "eighty-three million, one hundred fifteen thousand, two hundred forty-one".

Divisors: 1 11 41 451 184291 2027201 7555931 83115241