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897961912 = 231011111339
BaseRepresentation
bin110101100001011…
…100111110111000
32022120200012011121
4311201130332320
53314334240122
6225034235024
731152356521
oct6541347670
92276605147
10897961912
11420970091
12210885a74
13114061b13
1487389848
1553c77bc7
hex3585cfb8

897961912 has 16 divisors (see below), whose sum is σ = 1700350200. Its totient is φ = 444535200.

The previous prime is 897961891. The next prime is 897961919. The reversal of 897961912 is 219169798.

It is a self number, because there is not a number n which added to its sum of digits gives 897961912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897961919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554862 + ... + 556477.

Almost surely, 2897961912 is an apocalyptic number.

It is an amenable number.

897961912 is a deficient number, since it is larger than the sum of its proper divisors (802388288).

897961912 is a wasteful number, since it uses less digits than its factorization.

897961912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111446 (or 1111442 counting only the distinct ones).

The product of its digits is 489888, while the sum is 52.

The square root of 897961912 is about 29966.0126142935. The cubic root of 897961912 is about 964.7600366230.

The spelling of 897961912 in words is "eight hundred ninety-seven million, nine hundred sixty-one thousand, nine hundred twelve".

Divisors: 1 2 4 8 101 202 404 808 1111339 2222678 4445356 8890712 112245239 224490478 448980956 897961912