[go: up one dir, main page]

Search a number
-
+
204052120 = 23529533319
BaseRepresentation
bin11000010100110…
…01011010011000
3112012221220212221
430022121122120
5404214131440
632125313424
75025262066
oct1412313230
9465856787
10204052120
11a5200418
1258405874
13333757cc
141d159036
1512da9d4a
hexc299698

204052120 has 64 divisors (see below), whose sum is σ = 484056000. Its totient is φ = 77296128.

The previous prime is 204052109. The next prime is 204052129. The reversal of 204052120 is 21250402.

It is a junction number, because it is equal to n+sod(n) for n = 204052094 and 204052103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204052129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59821 + ... + 63139.

It is an arithmetic number, because the mean of its divisors is an integer number (7563375).

Almost surely, 2204052120 is an apocalyptic number.

204052120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204052120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242028000).

204052120 is an abundant number, since it is smaller than the sum of its proper divisors (280003880).

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

204052120 is a wasteful number, since it uses less digits than its factorization.

204052120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412 (or 3408 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 204052120 is about 14284.6813055105. The cubic root of 204052120 is about 588.7266611136.

The spelling of 204052120 in words is "two hundred four million, fifty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 29 40 53 58 106 116 145 212 232 265 290 424 530 580 1060 1160 1537 2120 3074 3319 6148 6638 7685 12296 13276 15370 16595 26552 30740 33190 61480 66380 96251 132760 175907 192502 351814 385004 481255 703628 770008 879535 962510 1407256 1759070 1925020 3518140 3850040 5101303 7036280 10202606 20405212 25506515 40810424 51013030 102026060 204052120