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206707676 = 22727314447
BaseRepresentation
bin11000101001000…
…01101111011100
3112101221211121212
430110201233130
5410404121201
632302243552
75056662200
oct1424415734
9471854555
10206707676
11a675459a
12592865b8
1333a95446
141d64ab00
1513231abb
hexc521bdc

206707676 has 36 divisors (see below), whose sum is σ = 426591648. Its totient is φ = 87369408.

The previous prime is 206707673. The next prime is 206707681. The reversal of 206707676 is 676707602.

206707676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206707673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7085 + ... + 21531.

It is an arithmetic number, because the mean of its divisors is an integer number (11849768).

Almost surely, 2206707676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206707676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213295824).

206707676 is an abundant number, since it is smaller than the sum of its proper divisors (219883972).

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

206707676 is a wasteful number, since it uses less digits than its factorization.

206707676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14538 (or 14529 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 206707676 is about 14377.3320195369. The cubic root of 206707676 is about 591.2695786790.

The spelling of 206707676 in words is "two hundred six million, seven hundred seven thousand, six hundred seventy-six".

Divisors: 1 2 4 7 14 28 49 73 98 146 196 292 511 1022 2044 3577 7154 14308 14447 28894 57788 101129 202258 404516 707903 1054631 1415806 2109262 2831612 4218524 7382417 14764834 29529668 51676919 103353838 206707676