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412128440 = 23510303211
BaseRepresentation
bin11000100100001…
…001010010111000
31001201111021221022
4120210021102320
51321001102230
6104521202012
713133014433
oct3044112270
91051437838
10412128440
111a16aa219
12b6030308
13674c9ba9
143ca4081a
15262ac1e5
hex189094b8

412128440 has 16 divisors (see below), whose sum is σ = 927289080. Its totient is φ = 164851360.

The previous prime is 412128413. The next prime is 412128461. The reversal of 412128440 is 44821214.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5151566 + ... + 5151645.

Almost surely, 2412128440 is an apocalyptic number.

412128440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

412128440 is an abundant number, since it is smaller than the sum of its proper divisors (515160640).

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

412128440 is a wasteful number, since it uses less digits than its factorization.

412128440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10303222 (or 10303218 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 412128440 is about 20300.9467759511. The cubic root of 412128440 is about 744.1792020255.

Adding to 412128440 its reverse (44821214), we get a palindrome (456949654).

The spelling of 412128440 in words is "four hundred twelve million, one hundred twenty-eight thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 10303211 20606422 41212844 51516055 82425688 103032110 206064220 412128440