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206612470 = 2547439601
BaseRepresentation
bin11000101000010…
…10011111110110
3112101210000000201
430110022133312
5410343044340
632300231114
75056114501
oct1424123766
9471700021
10206612470
11a669a009
125923b49a
1333a60ccc
141d624138
151321379a
hexc50a7f6

206612470 has 16 divisors (see below), whose sum is σ = 379816128. Its totient is φ = 80886400.

The previous prime is 206612459. The next prime is 206612491. The reversal of 206612470 is 74216602.

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, 219331 + ... + 220270.

It is an arithmetic number, because the mean of its divisors is an integer number (23738508).

Almost surely, 2206612470 is an apocalyptic number.

206612470 is a deficient number, since it is larger than the sum of its proper divisors (173203658).

206612470 is a wasteful number, since it uses less digits than its factorization.

206612470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439655.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 206612470 is about 14374.0206622921. The cubic root of 206612470 is about 591.1787885396.

The spelling of 206612470 in words is "two hundred six million, six hundred twelve thousand, four hundred seventy".

Divisors: 1 2 5 10 47 94 235 470 439601 879202 2198005 4396010 20661247 41322494 103306235 206612470