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8707201 = 61349409
BaseRepresentation
bin100001001101…
…110010000001
3121101101000221
4201031302001
54212112301
6510343041
7134003266
oct41156201
917341027
108707201
114a07938
122abaa81
131a5b2b9
14122926d
15b6eda1
hex84dc81

8707201 has 8 divisors (see below), whose sum is σ = 8897000. Its totient is φ = 8519040.

The previous prime is 8707189. The next prime is 8707207. The reversal of 8707201 is 1027078.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1690000 + 7017201 = 1300^2 + 2649^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8707201 - 219 = 8182913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8707207) 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, 21085 + ... + 21493.

It is an arithmetic number, because the mean of its divisors is an integer number (1112125).

Almost surely, 28707201 is an apocalyptic number.

It is an amenable number.

8707201 is a deficient number, since it is larger than the sum of its proper divisors (189799).

8707201 is a wasteful number, since it uses less digits than its factorization.

8707201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819.

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

The square root of 8707201 is about 2950.7966720870. The cubic root of 8707201 is about 205.7277406828.

The spelling of 8707201 in words is "eight million, seven hundred seven thousand, two hundred one".

Divisors: 1 61 349 409 21289 24949 142741 8707201