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188895001 = 4322919183
BaseRepresentation
bin10110100001001…
…00111100011001
3111011102212020011
423100210330121
5341324120001
630424401521
74452403201
oct1320447431
9434385204
10188895001
1197698679
12533162a1
13301997b9
141b131401
15118b3d51
hexb424f19

188895001 has 8 divisors (see below), whose sum is σ = 194142080. Its totient is φ = 183686832.

The previous prime is 188894971. The next prime is 188895011. The reversal of 188895001 is 100598881.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-188895001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (188895011) 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 7 ways as a sum of consecutive naturals, for example, 256 + ... + 19438.

It is an arithmetic number, because the mean of its divisors is an integer number (24267760).

Almost surely, 2188895001 is an apocalyptic number.

It is an amenable number.

188895001 is a deficient number, since it is larger than the sum of its proper divisors (5247079).

188895001 is a wasteful number, since it uses less digits than its factorization.

188895001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19455.

The product of its (nonzero) digits is 23040, while the sum is 40.

The square root of 188895001 is about 13743.9077776301. The cubic root of 188895001 is about 573.7730622032.

The spelling of 188895001 in words is "one hundred eighty-eight million, eight hundred ninety-five thousand, one".

Divisors: 1 43 229 9847 19183 824869 4392907 188895001