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206914188 = 223132945737
BaseRepresentation
bin11000101010101…
…00001010001100
3112102100022220110
430111110022030
5410432223223
632310520020
75061512235
oct1425241214
9472308813
10206914188
11a6885768
1259366010
1333b38440
141d6a208c
1513272d93
hexc55428c

206914188 has 48 divisors (see below), whose sum is σ = 537878880. Its totient is φ = 61469184.

The previous prime is 206914153. The next prime is 206914189. The reversal of 206914188 is 881419602.

206914188 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (206914189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18345 + ... + 27392.

It is an arithmetic number, because the mean of its divisors is an integer number (11205810).

Almost surely, 2206914188 is an apocalyptic number.

It is an amenable number.

206914188 is an abundant number, since it is smaller than the sum of its proper divisors (330964692).

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

206914188 is a wasteful number, since it uses less digits than its factorization.

206914188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45786 (or 45784 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 206914188 is about 14384.5120876587. The cubic root of 206914188 is about 591.4664164312.

The spelling of 206914188 in words is "two hundred six million, nine hundred fourteen thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 12 13 26 29 39 52 58 78 87 116 156 174 348 377 754 1131 1508 2262 4524 45737 91474 137211 182948 274422 548844 594581 1189162 1326373 1783743 2378324 2652746 3567486 3979119 5305492 7134972 7958238 15916476 17242849 34485698 51728547 68971396 103457094 206914188