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7680633 = 32560211
BaseRepresentation
bin11101010011001001111001
3112110012211220
4131103021321
53431240013
6432342253
7122166342
oct35231171
915405756
107680633
114376634
1226a4989
13178bc6c
14103d0c9
15a1ab23
hex753279

7680633 has 4 divisors (see below), whose sum is σ = 10240848. Its totient is φ = 5120420.

The previous prime is 7680613. The next prime is 7680637. The reversal of 7680633 is 3360867.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3360867 = 31120289.

It is a cyclic number.

It is not a de Polignac number, because 7680633 - 28 = 7680377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7680594 and 7680603.

It is not an unprimeable number, because it can be changed into a prime (7680637) 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, 1280103 + ... + 1280108.

It is an arithmetic number, because the mean of its divisors is an integer number (2560212).

Almost surely, 27680633 is an apocalyptic number.

It is an amenable number.

7680633 is a deficient number, since it is larger than the sum of its proper divisors (2560215).

7680633 is a wasteful number, since it uses less digits than its factorization.

7680633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560214.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 7680633 is about 2771.3954968571. The cubic root of 7680633 is about 197.3023863261.

The spelling of 7680633 in words is "seven million, six hundred eighty thousand, six hundred thirty-three".

Divisors: 1 3 2560211 7680633