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83074841 = 671239923
BaseRepresentation
bin1001111001110…
…01111100011001
312210022122020222
410330321330121
5132231343331
612124325425
72026060463
oct474717431
9183278228
1083074841
11429913a3
12239a3875
1314298b15
14b067133
15745eb7b
hex4f39f19

83074841 has 4 divisors (see below), whose sum is σ = 84314832. Its totient is φ = 81834852.

The previous prime is 83074813. The next prime is 83074847. The reversal of 83074841 is 14847038.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83074841 - 214 = 83058457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83074847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619895 + ... + 620028.

It is an arithmetic number, because the mean of its divisors is an integer number (21078708).

Almost surely, 283074841 is an apocalyptic number.

It is an amenable number.

83074841 is a deficient number, since it is larger than the sum of its proper divisors (1239991).

83074841 is a wasteful number, since it uses less digits than its factorization.

83074841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239990.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 83074841 is about 9114.5400871355. The cubic root of 83074841 is about 436.3381368872.

The spelling of 83074841 in words is "eighty-three million, seventy-four thousand, eight hundred forty-one".

Divisors: 1 67 1239923 83074841