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205613214 = 2334268869
BaseRepresentation
bin11000100000101…
…10100010011110
3112022220020022020
430100112202132
5410114110324
632223001010
75044453302
oct1420264236
9468806266
10205613214
11a6077284
1258a39166
13337a1231
141d443d02
15130b7679
hexc41689e

205613214 has 8 divisors (see below), whose sum is σ = 411226440. Its totient is φ = 68537736.

The previous prime is 205613209. The next prime is 205613251. The reversal of 205613214 is 412316502.

It is a sphenic number, since it is the product of 3 distinct primes.

205613214 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17134429 + ... + 17134440.

It is an arithmetic number, because the mean of its divisors is an integer number (51403305).

Almost surely, 2205613214 is an apocalyptic number.

205613214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

205613214 is a wasteful number, since it uses less digits than its factorization.

205613214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34268874.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 205613214 is about 14339.2194348228. The cubic root of 205613214 is about 590.2241932624.

Adding to 205613214 its reverse (412316502), we get a palindrome (617929716).

The spelling of 205613214 in words is "two hundred five million, six hundred thirteen thousand, two hundred fourteen".

Divisors: 1 2 3 6 34268869 68537738 102806607 205613214