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398882242392 = 23371234085823
BaseRepresentation
bin1011100110111110011…
…10111111111101011000
31102010120210022101210220
411303133032333331120
523013402323224032
6503124410440040
740550450055324
oct5633716777530
91363523271726
10398882242392
1114418a699587
1265380a33020
132b7cabb0aca
141543d960984
15a59870612c
hex5cdf3bff58

398882242392 has 32 divisors (see below), whose sum is σ = 1011250759680. Its totient is φ = 131088060320.

The previous prime is 398882242373. The next prime is 398882242397. The reversal of 398882242392 is 293242288893.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398882242397) 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, 117041208 + ... + 117044615.

It is an arithmetic number, because the mean of its divisors is an integer number (31601586240).

Almost surely, 2398882242392 is an apocalyptic number.

It is an amenable number.

398882242392 is an abundant number, since it is smaller than the sum of its proper divisors (612368517288).

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

398882242392 is a wasteful number, since it uses less digits than its factorization.

398882242392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234085903 (or 234085899 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 60.

The spelling of 398882242392 in words is "three hundred ninety-eight billion, eight hundred eighty-two million, two hundred forty-two thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 71 142 213 284 426 568 852 1704 234085823 468171646 702257469 936343292 1404514938 1872686584 2809029876 5618059752 16620093433 33240186866 49860280299 66480373732 99720560598 132960747464 199441121196 398882242392