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8680071 = 32893357
BaseRepresentation
bin100001000111…
…001010000111
3121022222211010
4201013022013
54210230241
6510013303
7133531221
oct41071207
917288733
108680071
114999514
122aa7233
131a4bb4a
14121d411
15b66d16
hex847287

8680071 has 4 divisors (see below), whose sum is σ = 11573432. Its totient is φ = 5786712.

The previous prime is 8680043. The next prime is 8680073. The reversal of 8680071 is 1700868.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8680071 - 27 = 8679943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8680073) 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, 1446676 + ... + 1446681.

It is an arithmetic number, because the mean of its divisors is an integer number (2893358).

Almost surely, 28680071 is an apocalyptic number.

8680071 is a deficient number, since it is larger than the sum of its proper divisors (2893361).

8680071 is a wasteful number, since it uses less digits than its factorization.

8680071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893360.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 8680071 is about 2946.1960219917. The cubic root of 8680071 is about 205.5138487361.

The spelling of 8680071 in words is "eight million, six hundred eighty thousand, seventy-one".

Divisors: 1 3 2893357 8680071