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204488076 = 223131737577
BaseRepresentation
bin11000011000000…
…11110110001100
3112020210001220110
430030003312030
5404322104301
632142520020
75032056102
oct1414036614
9466701813
10204488076
11a5478a11
1258596010
1333499080
141d22dc72
1512e440d6
hexc303d8c

204488076 has 48 divisors (see below), whose sum is σ = 516880224. Its totient is φ = 62547456.

The previous prime is 204488071. The next prime is 204488083. The reversal of 204488076 is 670884402.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (204488071) 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, 23200 + ... + 30776.

It is an arithmetic number, because the mean of its divisors is an integer number (10768338).

Almost surely, 2204488076 is an apocalyptic number.

204488076 is a gapful number since it is divisible by the number (26) 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 204488076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258440112).

204488076 is an abundant number, since it is smaller than the sum of its proper divisors (312392148).

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

204488076 is a wasteful number, since it uses less digits than its factorization.

204488076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7770 (or 7768 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 204488076 is about 14299.9327271145. The cubic root of 204488076 is about 589.1456330794.

The spelling of 204488076 in words is "two hundred four million, four hundred eighty-eight thousand, seventy-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 173 346 519 692 1038 2076 2249 4498 6747 7577 8996 13494 15154 22731 26988 30308 45462 90924 98501 197002 295503 394004 591006 1182012 1310821 2621642 3932463 5243284 7864926 15729852 17040673 34081346 51122019 68162692 102244038 204488076