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206952172 = 2277391149
BaseRepresentation
bin11000101010111…
…01011011101100
3112102102021000021
430111131123230
5410434432142
632311411524
75062031050
oct1425353354
9472367007
10206952172
11a6901259
1259383ba4
1333b4c80b
141d6b1c60
151327e267
hexc55d6ec

206952172 has 12 divisors (see below), whose sum is σ = 413904400. Its totient is φ = 88693776.

The previous prime is 206952089. The next prime is 206952173. The reversal of 206952172 is 271259602.

206952172 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (206952173) 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, 3695547 + ... + 3695602.

Almost surely, 2206952172 is an apocalyptic number.

It is an amenable number.

206952172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

206952172 is a wasteful number, since it uses less digits than its factorization.

206952172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7391160 (or 7391158 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 206952172 is about 14385.8323360173. The cubic root of 206952172 is about 591.5026067733.

The spelling of 206952172 in words is "two hundred six million, nine hundred fifty-two thousand, one hundred seventy-two".

Divisors: 1 2 4 7 14 28 7391149 14782298 29564596 51738043 103476086 206952172