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210680966 = 21723269413
BaseRepresentation
bin11001000111010…
…11110010000110
3112200102200221202
430203223302012
5412413242331
632523342502
75135521136
oct1443536206
9480380852
10210680966
11a8a18801
125a681a32
1334856ac2
141dda2ac6
1513768ecb
hexc8ebc86

210680966 has 16 divisors (see below), whose sum is σ = 349160544. Its totient is φ = 94833024.

The previous prime is 210680963. The next prime is 210680971. The reversal of 210680966 is 669086012.

210680966 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 (210680963) 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, 133925 + ... + 135488.

It is an arithmetic number, because the mean of its divisors is an integer number (21822534).

Almost surely, 2210680966 is an apocalyptic number.

210680966 is a deficient number, since it is larger than the sum of its proper divisors (138479578).

210680966 is a wasteful number, since it uses less digits than its factorization.

210680966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269455.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 210680966 is about 14514.8532889589. The cubic root of 210680966 is about 595.0339796521.

The spelling of 210680966 in words is "two hundred ten million, six hundred eighty thousand, nine hundred sixty-six".

Divisors: 1 2 17 23 34 46 391 782 269413 538826 4580021 6196499 9160042 12392998 105340483 210680966