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632890190 = 25193331001
BaseRepresentation
bin100101101110010…
…010001101001110
31122002220011010102
4211232102031032
52244004441230
6142445011102
721453322622
oct4556221516
91562804112
10632890190
112a5282849
12157b53a92
13a117324a
14600a9182
153a868045
hex25b9234e

632890190 has 16 divisors (see below), whose sum is σ = 1199160720. Its totient is φ = 239832000.

The previous prime is 632890169. The next prime is 632890199. The reversal of 632890190 is 91098236.

632890190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6328901902 = 801099985196472200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632890199) 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, 1665311 + ... + 1665690.

It is an arithmetic number, because the mean of its divisors is an integer number (74947545).

Almost surely, 2632890190 is an apocalyptic number.

632890190 is a deficient number, since it is larger than the sum of its proper divisors (566270530).

632890190 is a wasteful number, since it uses less digits than its factorization.

632890190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331027.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 632890190 is about 25157.3088783359. The cubic root of 632890190 is about 858.5708144425.

The spelling of 632890190 in words is "six hundred thirty-two million, eight hundred ninety thousand, one hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 3331001 6662002 16655005 33310010 63289019 126578038 316445095 632890190