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82710669 = 371388313
BaseRepresentation
bin1001110111000…
…01000010001101
312202122010201010
410323201002031
5132133220134
612112435433
72023012656
oct473410215
9182563633
1082710669
1142762828
1223848b79
131419c132
14adb052d
1573dbce9
hex4ee108d

82710669 has 8 divisors (see below), whose sum is σ = 111834432. Its totient is φ = 54363680.

The previous prime is 82710659. The next prime is 82710671. The reversal of 82710669 is 96601728.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-82710669 is a prime.

It is a super-2 number, since 2×827106692 = 13682109532855122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82710659) 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, 193944 + ... + 194369.

It is an arithmetic number, because the mean of its divisors is an integer number (13979304).

Almost surely, 282710669 is an apocalyptic number.

It is an amenable number.

82710669 is a deficient number, since it is larger than the sum of its proper divisors (29123763).

82710669 is a wasteful number, since it uses less digits than its factorization.

82710669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388387.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 82710669 is about 9094.5406151163. The cubic root of 82710669 is about 435.6996166956.

The spelling of 82710669 in words is "eighty-two million, seven hundred ten thousand, six hundred sixty-nine".

Divisors: 1 3 71 213 388313 1164939 27570223 82710669