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8700213 = 37339727
BaseRepresentation
bin100001001100…
…000100110101
3121101000110010
4201030010311
54211401323
6510250433
7133644024
oct41140465
917330403
108700213
114a02665
122ab6a19
131a58072
1412268bb
15b6cc93
hex84c135

8700213 has 8 divisors (see below), whose sum is σ = 11759488. Its totient is φ = 5720544.

The previous prime is 8700193. The next prime is 8700239. The reversal of 8700213 is 3120078.

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

It is not a de Polignac number, because 8700213 - 216 = 8634677 is a prime.

It is a Duffinian number.

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 8700213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8700253) 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, 19645 + ... + 20082.

It is an arithmetic number, because the mean of its divisors is an integer number (1469936).

Almost surely, 28700213 is an apocalyptic number.

It is an amenable number.

8700213 is a deficient number, since it is larger than the sum of its proper divisors (3059275).

8700213 is a wasteful number, since it uses less digits than its factorization.

8700213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39803.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 8700213 is about 2949.6123474111. The cubic root of 8700213 is about 205.6726900715.

The spelling of 8700213 in words is "eight million, seven hundred thousand, two hundred thirteen".

Divisors: 1 3 73 219 39727 119181 2900071 8700213