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8872913 = 73121319
BaseRepresentation
bin100001110110…
…001111010001
3121200210100102
4201312033101
54232413123
6514102145
7135263360
oct41661721
917623312
108872913
115010395
122b7a955
131ab885a
14126d7d7
15ba4028
hex8763d1

8872913 has 12 divisors (see below), whose sum is σ = 10486080. Its totient is φ = 7354440.

The previous prime is 8872909. The next prime is 8872937. The reversal of 8872913 is 3192788.

8872913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8872913 - 22 = 8872909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8872973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6068 + ... + 7386.

It is an arithmetic number, because the mean of its divisors is an integer number (873840).

Almost surely, 28872913 is an apocalyptic number.

It is an amenable number.

8872913 is a deficient number, since it is larger than the sum of its proper divisors (1613167).

8872913 is a wasteful number, since it uses less digits than its factorization.

8872913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388 (or 1357 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 8872913 is about 2978.7435270597. The cubic root of 8872913 is about 207.0246573038.

The spelling of 8872913 in words is "eight million, eight hundred seventy-two thousand, nine hundred thirteen".

Divisors: 1 7 31 217 961 1319 6727 9233 40889 286223 1267559 8872913