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8070217 = 23675237
BaseRepresentation
bin11110110010010001001001
3120012000020221
4132302101021
54031221332
6444550041
7125411221
oct36622111
916160227
108070217
114612301
122852321
13189739c
141101081
15a96297
hex7b2449

8070217 has 8 divisors (see below), whose sum is σ = 8548416. Its totient is φ = 7602672.

The previous prime is 8070211. The next prime is 8070221. The reversal of 8070217 is 7120708.

It is a happy number.

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-8070217 is a prime.

It is a deceptive number, since it divides R8070216.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8070191 and 8070200.

It is not an unprimeable number, because it can be changed into a prime (8070211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1078 + ... + 4159.

It is an arithmetic number, because the mean of its divisors is an integer number (1068552).

Almost surely, 28070217 is an apocalyptic number.

It is an amenable number.

8070217 is a deficient number, since it is larger than the sum of its proper divisors (478199).

8070217 is a wasteful number, since it uses less digits than its factorization.

8070217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 8070217 is about 2840.8127358205. The cubic root of 8070217 is about 200.5834380121.

The spelling of 8070217 in words is "eight million, seventy thousand, two hundred seventeen".

Divisors: 1 23 67 1541 5237 120451 350879 8070217