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204005052 = 2232191012953
BaseRepresentation
bin11000010100011…
…01111010111100
3112012212112022200
430022031322330
5404211130202
632124311500
75025004626
oct1412157274
9465775280
10204005052
11a5179019
12583a2590
133335a264
141d145c16
1512d9ae1c
hexc28debc

204005052 has 72 divisors (see below), whose sum is σ = 548380560. Its totient is φ = 63763200.

The previous prime is 204004973. The next prime is 204005093. The reversal of 204005052 is 250500402.

It is a super-2 number, since 2×2040050522 = 83236122483045408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67608 + ... + 70560.

Almost surely, 2204005052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204005052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274190280).

204005052 is an abundant number, since it is smaller than the sum of its proper divisors (344375508).

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

204005052 is a wasteful number, since it uses less digits than its factorization.

204005052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083 (or 3078 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 204005052 is about 14283.0337113654. The cubic root of 204005052 is about 588.6813911153.

Adding to 204005052 its reverse (250500402), we get a palindrome (454505454).

It can be divided in two parts, 20400 and 5052, that added together give a palindrome (25452).

The spelling of 204005052 in words is "two hundred four million, five thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 101 114 171 202 228 303 342 404 606 684 909 1212 1818 1919 2953 3636 3838 5757 5906 7676 8859 11514 11812 17271 17718 23028 26577 34542 35436 53154 56107 69084 106308 112214 168321 224428 298253 336642 504963 596506 673284 894759 1009926 1193012 1789518 2019852 2684277 3579036 5368554 5666807 10737108 11333614 17000421 22667228 34000842 51001263 68001684 102002526 204005052