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7700001 = 32566667
BaseRepresentation
bin11101010111111000100001
3112111012102020
4131113320201
53432400001
6433012053
7122306661
oct35277041
915435366
107700001
11438a141
1226b4029
131797a1a
1410461a1
15a21736
hex757e21

7700001 has 4 divisors (see below), whose sum is σ = 10266672. Its totient is φ = 5133332.

The previous prime is 7699981. The next prime is 7700071. The reversal of 7700001 is 1000077.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7700001 - 214 = 7683617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7700071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283331 + ... + 1283336.

It is an arithmetic number, because the mean of its divisors is an integer number (2566668).

Almost surely, 27700001 is an apocalyptic number.

It is an amenable number.

7700001 is a deficient number, since it is larger than the sum of its proper divisors (2566671).

7700001 is a wasteful number, since it uses less digits than its factorization.

7700001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566670.

The product of its (nonzero) digits is 49, while the sum is 15.

The square root of 7700001 is about 2774.8875652898. The cubic root of 7700001 is about 197.4680907696.

Adding to 7700001 its reverse (1000077), we get a palindrome (8700078).

The spelling of 7700001 in words is "seven million, seven hundred thousand, one".

Divisors: 1 3 2566667 7700001