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8308001 = 13641997
BaseRepresentation
bin11111101100010100100001
3120122002102202
4133230110201
54111324001
6454022545
7130421402
oct37542441
916562382
108308001
114764a19
122947a55
13194b6a0
1411639a9
15ae196b
hex7ec521

8308001 has 8 divisors (see below), whose sum is σ = 8970024. Its totient is φ = 7649280.

The previous prime is 8307983. The next prime is 8308021. The reversal of 8308001 is 1008038.

It can be written as a sum of positive squares in 4 ways, for example, as 2907025 + 5400976 = 1705^2 + 2324^2 .

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 8308001 - 218 = 8045857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8308021) 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, 7835 + ... + 8831.

It is an arithmetic number, because the mean of its divisors is an integer number (1121253).

Almost surely, 28308001 is an apocalyptic number.

It is an amenable number.

8308001 is a deficient number, since it is larger than the sum of its proper divisors (662023).

8308001 is a wasteful number, since it uses less digits than its factorization.

8308001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 8308001 is about 2882.3603175176. The cubic root of 8308001 is about 202.5344228430.

The spelling of 8308001 in words is "eight million, three hundred eight thousand, one".

Divisors: 1 13 641 997 8333 12961 639077 8308001