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204219570 = 2356807319
BaseRepresentation
bin11000010110000…
…10010010110010
3112020021102120210
430023002102302
5404240011240
632133044550
75026560222
oct1413022262
9466242523
10204219570
11a5305205
1258486756
1333403aa9
141d1a0082
1512dde780
hexc2c24b2

204219570 has 16 divisors (see below), whose sum is σ = 490127040. Its totient is φ = 54458544.

The previous prime is 204219541. The next prime is 204219583. The reversal of 204219570 is 75912402.

204219570 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 6807319 = 204219570 / (2 + 0 + 4 + 2 + 1 + 9 + 5 + 7 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3403630 + ... + 3403689.

It is an arithmetic number, because the mean of its divisors is an integer number (30632940).

Almost surely, 2204219570 is an apocalyptic number.

204219570 is an abundant number, since it is smaller than the sum of its proper divisors (285907470).

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

204219570 is a wasteful number, since it uses less digits than its factorization.

204219570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6807329.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 204219570 is about 14290.5412773624. The cubic root of 204219570 is about 588.8876580938.

It can be divided in two parts, 2042 and 19570, that added together give a palindrome (21612).

The spelling of 204219570 in words is "two hundred four million, two hundred nineteen thousand, five hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 6807319 13614638 20421957 34036595 40843914 68073190 102109785 204219570