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83024669 = 7213130337
BaseRepresentation
bin1001111001011…
…01101100011101
312210020002102202
410330231230131
5132223242134
612123301245
72025461300
oct474555435
9183202382
1083024669
1142957732
122397a825
131427c030
14b052b37
15744ed7e
hex4f2db1d

83024669 has 12 divisors (see below), whose sum is σ = 104009724. Its totient is φ = 65689344.

The previous prime is 83024653. The next prime is 83024671. The reversal of 83024669 is 96642038.

It can be written as a sum of positive squares in 2 ways, for example, as 56625625 + 26399044 = 7525^2 + 5138^2 .

It is not a de Polignac number, because 83024669 - 24 = 83024653 is a prime.

It is a super-2 number, since 2×830246692 = 13786191325119122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83024639) 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, 64532 + ... + 65805.

It is an arithmetic number, because the mean of its divisors is an integer number (8667477).

Almost surely, 283024669 is an apocalyptic number.

It is an amenable number.

83024669 is a deficient number, since it is larger than the sum of its proper divisors (20985055).

83024669 is a wasteful number, since it uses less digits than its factorization.

83024669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130364 (or 130357 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 83024669 is about 9111.7873658246. The cubic root of 83024669 is about 436.2502788974.

The spelling of 83024669 in words is "eighty-three million, twenty-four thousand, six hundred sixty-nine".

Divisors: 1 7 13 49 91 637 130337 912359 1694381 6386513 11860667 83024669