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897422384 = 2417432772
BaseRepresentation
bin110101011111011…
…001010000110000
32022112122210002002
4311133121100300
53314220004014
6225014513132
731144651535
oct6537312060
92275583062
10897422384
114206317a1
122106657a8
13113c03381
1487288d8c
1553bbcdde
hex357d9430

897422384 has 60 divisors (see below), whose sum is σ = 1890675864. Its totient is φ = 411005952.

The previous prime is 897422363. The next prime is 897422387. The reversal of 897422384 is 483224798.

897422384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897422387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3239654 + ... + 3239930.

Almost surely, 2897422384 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 897422384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (945337932).

897422384 is an abundant number, since it is smaller than the sum of its proper divisors (993253480).

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

897422384 is a wasteful number, since it uses less digits than its factorization.

897422384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 339 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 897422384 is about 29957.0089294642. The cubic root of 897422384 is about 964.5667770021.

The spelling of 897422384 in words is "eight hundred ninety-seven million, four hundred twenty-two thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 17 34 43 68 86 136 172 272 277 344 554 688 731 1108 1462 2216 2924 4432 4709 5848 9418 11696 11911 18836 23822 37672 47644 75344 76729 95288 153458 190576 202487 306916 404974 613832 809948 1227664 1304393 1619896 2608786 3239792 3299347 5217572 6598694 10435144 13197388 20870288 26394776 52789552 56088899 112177798 224355596 448711192 897422384