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204021088 = 2519615501
BaseRepresentation
bin11000010100100…
…01110101100000
3112012220100022121
430022101311200
5404212133323
632124514024
75025102445
oct1412216540
9465810277
10204021088
11a518a077
12583ab914
133336464b
141d14b9cc
1512da0a5d
hexc291d60

204021088 has 48 divisors (see below), whose sum is σ = 429816240. Its totient is φ = 95040000.

The previous prime is 204021067. The next prime is 204021089. The reversal of 204021088 is 880120402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204021089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34338 + ... + 39838.

It is an arithmetic number, because the mean of its divisors is an integer number (8954505).

Almost surely, 2204021088 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 204021088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214908120).

204021088 is an abundant number, since it is smaller than the sum of its proper divisors (225795152).

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

204021088 is a wasteful number, since it uses less digits than its factorization.

204021088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591 (or 5583 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 204021088 is about 14283.5950656689. The cubic root of 204021088 is about 588.6968153206.

The spelling of 204021088 in words is "two hundred four million, twenty-one thousand, eighty-eight".

Divisors: 1 2 4 8 16 19 32 38 61 76 122 152 244 304 488 608 976 1159 1952 2318 4636 5501 9272 11002 18544 22004 37088 44008 88016 104519 176032 209038 335561 418076 671122 836152 1342244 1672304 2684488 3344608 5368976 6375659 10737952 12751318 25502636 51005272 102010544 204021088