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204069888 = 2103311261
BaseRepresentation
bin11000010100111…
…01110000000000
3112012222211021000
430022131300000
5404220214023
632125532000
75025364641
oct1412356000
9465884230
10204069888
11a5212800
1258414000
1333380919
141d1616c8
1512db0243
hexc29dc00

204069888 has 264 divisors, whose sum is σ = 675182480. Its totient is φ = 60825600.

The previous prime is 204069881. The next prime is 204069889. The reversal of 204069888 is 888960402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (264).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204069881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3345378 + ... + 3345438.

Almost surely, 2204069888 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 204069888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337591240).

204069888 is an abundant number, since it is smaller than the sum of its proper divisors (471112592).

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

204069888 is a wasteful number, since it uses less digits than its factorization.

204069888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 204069888 is about 14285.3032169429. The cubic root of 204069888 is about 588.7437485644.

The spelling of 204069888 in words is "two hundred four million, sixty-nine thousand, eight hundred eighty-eight".