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204630528 = 2931271049
BaseRepresentation
bin11000011001001…
…10101000000000
3112021001022022110
430030212220000
5404341134103
632145535320
75033221314
oct1414465000
9467038273
10204630528
11a5565a43
1258644540
1333518b6b
141d269b44
1512e71403
hexc326a00

204630528 has 80 divisors (see below), whose sum is σ = 549964800. Its totient is φ = 67608576.

The previous prime is 204630523. The next prime is 204630541. The reversal of 204630528 is 825036402.

204630528 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204630495 and 204630504.

It is not an unprimeable number, because it can be changed into a prime (204630523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194548 + ... + 195596.

It is an arithmetic number, because the mean of its divisors is an integer number (6874560).

Almost surely, 2204630528 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 204630528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274982400).

204630528 is an abundant number, since it is smaller than the sum of its proper divisors (345334272).

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

204630528 is a wasteful number, since it uses less digits than its factorization.

204630528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 204630528 is about 14304.9127225579. The cubic root of 204630528 is about 589.2824063243.

The spelling of 204630528 in words is "two hundred four million, six hundred thirty thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 127 128 192 254 256 381 384 508 512 762 768 1016 1049 1524 1536 2032 2098 3048 3147 4064 4196 6096 6294 8128 8392 12192 12588 16256 16784 24384 25176 32512 33568 48768 50352 65024 67136 97536 100704 133223 134272 195072 201408 266446 268544 399669 402816 532892 537088 799338 805632 1065784 1598676 1611264 2131568 3197352 4263136 6394704 8526272 12789408 17052544 25578816 34105088 51157632 68210176 102315264 204630528