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9161087 = 133312129
BaseRepresentation
bin100010111100…
…100101111111
3122020102122112
4202330211333
54321123322
6524204235
7140603465
oct42744577
918212575
109161087
115197951
12309967b
131b89a80
141306835
15c0e5e2
hex8bc97f

9161087 has 8 divisors (see below), whose sum is σ = 9900240. Its totient is φ = 8426880.

The previous prime is 9161083. The next prime is 9161093. The reversal of 9161087 is 7801619.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9161087 - 22 = 9161083 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 (9161083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3239 + ... + 5367.

It is an arithmetic number, because the mean of its divisors is an integer number (1237530).

Almost surely, 29161087 is an apocalyptic number.

9161087 is a deficient number, since it is larger than the sum of its proper divisors (739153).

9161087 is a wasteful number, since it uses less digits than its factorization.

9161087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 9161087 is about 3026.7287622118. The cubic root of 9161087 is about 209.2420674566.

The spelling of 9161087 in words is "nine million, one hundred sixty-one thousand, eighty-seven".

Divisors: 1 13 331 2129 4303 27677 704699 9161087