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206693494 = 2719977393
BaseRepresentation
bin11000101000111…
…10010001110110
3112101221010011121
430110132101312
5410403142434
632302054154
75056602640
oct1424362166
9471833147
10206693494
11a6744977
125927a35a
1333a8bb57
141d645890
151322c7b4
hexc51e476

206693494 has 16 divisors (see below), whose sum is σ = 354557088. Its totient is φ = 88526592.

The previous prime is 206693477. The next prime is 206693519. The reversal of 206693494 is 494396602.

206693494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 206693494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24262 + ... + 31654.

It is an arithmetic number, because the mean of its divisors is an integer number (22159818).

Almost surely, 2206693494 is an apocalyptic number.

206693494 is a deficient number, since it is larger than the sum of its proper divisors (147863594).

206693494 is a wasteful number, since it uses less digits than its factorization.

206693494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9399.

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 206693494 is about 14376.8388041322. The cubic root of 206693494 is about 591.2560562382.

The spelling of 206693494 in words is "two hundred six million, six hundred ninety-three thousand, four hundred ninety-four".

Divisors: 1 2 7 14 1997 3994 7393 13979 14786 27958 51751 103502 14763821 29527642 103346747 206693494