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82645703 = 721686647
BaseRepresentation
bin1001110110100…
…01001011000111
312202111211120222
410323101023013
5132124130303
612111214555
72022322400
oct473211307
9182454528
1082645703
1142718a38
122381745b
13141786aa
14ad949a7
1573c7938
hex4ed12c7

82645703 has 6 divisors (see below), whose sum is σ = 96138936. Its totient is φ = 70839132.

The previous prime is 82645691. The next prime is 82645711. The reversal of 82645703 is 30754628.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-82645703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82645793) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 843275 + ... + 843372.

It is an arithmetic number, because the mean of its divisors is an integer number (16023156).

Almost surely, 282645703 is an apocalyptic number.

82645703 is a deficient number, since it is larger than the sum of its proper divisors (13493233).

82645703 is a wasteful number, since it uses less digits than its factorization.

82645703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686661 (or 1686654 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 82645703 is about 9090.9682102623. The cubic root of 82645703 is about 435.5855118049.

The spelling of 82645703 in words is "eighty-two million, six hundred forty-five thousand, seven hundred three".

Divisors: 1 7 49 1686647 11806529 82645703