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83095407 = 3231297833
BaseRepresentation
bin1001111001111…
…10111101101111
312210100200110200
410330332331233
5132233023112
612125004543
72026204443
oct474767557
9183320420
1083095407
11429a589a
12239b3753
13142a52a5
14b070823
157465cdc
hex4f3ef6f

83095407 has 12 divisors (see below), whose sum is σ = 123898944. Its totient is φ = 53609760.

The previous prime is 83095403. The next prime is 83095421. The reversal of 83095407 is 70459038.

It is not a de Polignac number, because 83095407 - 22 = 83095403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83095403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148638 + ... + 149195.

It is an arithmetic number, because the mean of its divisors is an integer number (10324912).

Almost surely, 283095407 is an apocalyptic number.

83095407 is a deficient number, since it is larger than the sum of its proper divisors (40803537).

83095407 is a wasteful number, since it uses less digits than its factorization.

83095407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297870 (or 297867 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 83095407 is about 9115.6682146730. The cubic root of 83095407 is about 436.3741405260.

The spelling of 83095407 in words is "eighty-three million, ninety-five thousand, four hundred seven".

Divisors: 1 3 9 31 93 279 297833 893499 2680497 9232823 27698469 83095407