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7676081 = 71096583
BaseRepresentation
bin11101010010000010110001
3112102222121022
4131102002301
53431113311
6432305225
7122150150
oct35220261
915388538
107676081
114373176
1226a2215
131789b7a
14103b597
15a195db
hex7520b1

7676081 has 4 divisors (see below), whose sum is σ = 8772672. Its totient is φ = 6579492.

The previous prime is 7676041. The next prime is 7676083. The reversal of 7676081 is 1806767.

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: 1806767 = 1995093.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7676081 is a prime.

It is a super-2 number, since 2×76760812 = 117844439037122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7676083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548285 + ... + 548298.

It is an arithmetic number, because the mean of its divisors is an integer number (2193168).

Almost surely, 27676081 is an apocalyptic number.

It is an amenable number.

7676081 is a deficient number, since it is larger than the sum of its proper divisors (1096591).

7676081 is a wasteful number, since it uses less digits than its factorization.

7676081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096590.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 7676081 is about 2770.5741282269. The cubic root of 7676081 is about 197.2634009132.

The spelling of 7676081 in words is "seven million, six hundred seventy-six thousand, eighty-one".

Divisors: 1 7 1096583 7676081