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897013984 = 25235032423
BaseRepresentation
bin110101011101110…
…101100011100000
32022111220000212011
4311131311203200
53314113421414
6225002042304
731141331056
oct6535654340
92274800764
10897013984
11420382979
122104a9394
13113abc509
14871c01d6
1553b3bdc4
hex357758e0

897013984 has 48 divisors (see below), whose sum is σ = 1847204352. Its totient is φ = 427977088.

The previous prime is 897013981. The next prime is 897013991. The reversal of 897013984 is 489310798.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897013981) 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, 368997 + ... + 371419.

It is an arithmetic number, because the mean of its divisors is an integer number (38483424).

Almost surely, 2897013984 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 897013984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923602176).

897013984 is an abundant number, since it is smaller than the sum of its proper divisors (950190368).

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

897013984 is a wasteful number, since it uses less digits than its factorization.

897013984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959 (or 2951 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 897013984 is about 29950.1917189189. The cubic root of 897013984 is about 964.4204360853.

The spelling of 897013984 in words is "eight hundred ninety-seven million, thirteen thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 503 736 1006 2012 2423 4024 4846 8048 9692 11569 16096 19384 23138 38768 46276 55729 77536 92552 111458 185104 222916 370208 445832 891664 1218769 1783328 2437538 4875076 9750152 19500304 28031687 39000608 56063374 112126748 224253496 448506992 897013984