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8700005 = 517195387
BaseRepresentation
bin100001001100…
…000001100101
3121101000011102
4201030001211
54211400010
6510245445
7133643306
oct41140145
917330142
108700005
114a02496
122ab6885
131a57c42
1412267ad
15b6cba5
hex84c065

8700005 has 16 divisors (see below), whose sum is σ = 11638080. Its totient is φ = 6204672.

The previous prime is 8700001. The next prime is 8700007. The reversal of 8700005 is 5000078.

It is a cyclic number.

It is not a de Polignac number, because 8700005 - 22 = 8700001 is a prime.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 8700005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8700001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079 + ... + 4308.

It is an arithmetic number, because the mean of its divisors is an integer number (727380).

Almost surely, 28700005 is an apocalyptic number.

8700005 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8700005 is a deficient number, since it is larger than the sum of its proper divisors (2938075).

8700005 is a wasteful number, since it uses less digits than its factorization.

8700005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 8700005 is about 2949.5770883298. The cubic root of 8700005 is about 205.6710510212.

The spelling of 8700005 in words is "eight million, seven hundred thousand, five".

Divisors: 1 5 17 19 85 95 323 1615 5387 26935 91579 102353 457895 511765 1740001 8700005