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204888970 = 251113197541
BaseRepresentation
bin11000011011001…
…01101110001010
3112021112102211101
430031211232022
5404422421340
632155252014
75035345636
oct1415455612
9467472741
10204888970
11a5722130
125874a00a
13335a96a0
141d2d5dc6
1512ec2c9a
hexc365b8a

204888970 has 64 divisors (see below), whose sum is σ = 456140160. Its totient is φ = 65145600.

The previous prime is 204888967. The next prime is 204888979. The reversal of 204888970 is 79888402.

204888970 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 204888970.

It is not an unprimeable number, because it can be changed into a prime (204888979) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23400 + ... + 30940.

It is an arithmetic number, because the mean of its divisors is an integer number (7127190).

Almost surely, 2204888970 is an apocalyptic number.

204888970 is an abundant number, since it is smaller than the sum of its proper divisors (251251190).

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

204888970 is a wasteful number, since it uses less digits than its factorization.

204888970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7591.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 204888970 is about 14313.9432023464. The cubic root of 204888970 is about 589.5303837487.

The spelling of 204888970 in words is "two hundred four million, eight hundred eighty-eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 11 13 19 22 26 38 55 65 95 110 130 143 190 209 247 286 418 494 715 1045 1235 1430 2090 2470 2717 5434 7541 13585 15082 27170 37705 75410 82951 98033 143279 165902 196066 286558 414755 490165 716395 829510 980330 1078363 1432790 1576069 1862627 2156726 3152138 3725254 5391815 7880345 9313135 10783630 15760690 18626270 20488897 40977794 102444485 204888970