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206106760 = 2355152669
BaseRepresentation
bin11000100100011…
…11000010001000
3112100211022022201
430102033002020
5410230404020
632241325544
75051610226
oct1422170210
9470738281
10206106760
11a6384072
12590368b4
1333914a82
141d531b16
1513163a0a
hexc48f088

206106760 has 16 divisors (see below), whose sum is σ = 463740300. Its totient is φ = 82442688.

The previous prime is 206106757. The next prime is 206106767. The reversal of 206106760 is 67601602.

It can be written as a sum of positive squares in 2 ways, for example, as 205463556 + 643204 = 14334^2 + 802^2 .

It is not an unprimeable number, because it can be changed into a prime (206106767) 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, 2576295 + ... + 2576374.

Almost surely, 2206106760 is an apocalyptic number.

206106760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206106760 is an abundant number, since it is smaller than the sum of its proper divisors (257633540).

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

206106760 is a wasteful number, since it uses less digits than its factorization.

206106760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5152680 (or 5152676 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 206106760 is about 14356.4187734964. The cubic root of 206106760 is about 590.6960663439.

The spelling of 206106760 in words is "two hundred six million, one hundred six thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 5152669 10305338 20610676 25763345 41221352 51526690 103053380 206106760