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8001097 = 133111979
BaseRepresentation
bin11110100001011001001001
3120001111102221
4132201121021
54022013342
6443254041
7125002546
oct36413111
916044387
108001097
114575385
12281a321
131871aa0
1410c3bcd
15a80a67
hex7a1649

8001097 has 8 divisors (see below), whose sum is σ = 8648640. Its totient is φ = 7358160.

The previous prime is 8001047. The next prime is 8001107. The reversal of 8001097 is 7901008.

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-8001097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8001047) 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, 3054 + ... + 5032.

It is an arithmetic number, because the mean of its divisors is an integer number (1081080).

Almost surely, 28001097 is an apocalyptic number.

It is an amenable number.

8001097 is a deficient number, since it is larger than the sum of its proper divisors (647543).

8001097 is a wasteful number, since it uses less digits than its factorization.

8001097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 8001097 is about 2828.6210421334. The cubic root of 8001097 is about 200.0091412488.

The spelling of 8001097 in words is "eight million, one thousand, ninety-seven".

Divisors: 1 13 311 1979 4043 25727 615469 8001097