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188068000 = 255347017
BaseRepresentation
bin10110011010110…
…11000010100000
3111002212211210111
423031123002200
5341121134000
630354541104
74442360131
oct1315330240
9432784714
10188068000
11971832aa
1252b97794
132cc6a253
141ad97c88
151179dcba
hexb35b0a0

188068000 has 48 divisors (see below), whose sum is σ = 462092904. Its totient is φ = 75225600.

The previous prime is 188067977. The next prime is 188068007. The reversal of 188068000 is 860881.

It can be written as a sum of positive squares in 4 ways, for example, as 111260304 + 76807696 = 10548^2 + 8764^2 .

It is not an unprimeable number, because it can be changed into a prime (188068007) 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, 19509 + ... + 27508.

Almost surely, 2188068000 is an apocalyptic number.

188068000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

188068000 is an abundant number, since it is smaller than the sum of its proper divisors (274024904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

188068000 is an equidigital number, since it uses as much as digits as its factorization.

188068000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47042 (or 47024 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 188068000 is about 13713.7886814695. The cubic root of 188068000 is about 572.9344921543.

The spelling of 188068000 in words is "one hundred eighty-eight million, sixty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 47017 94034 188068 235085 376136 470170 752272 940340 1175425 1504544 1880680 2350850 3761360 4701700 5877125 7522720 9403400 11754250 18806800 23508500 37613600 47017000 94034000 188068000