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897948044 = 22732069573
BaseRepresentation
bin110101100001011…
…001100110001100
32022120122111010222
4311201121212030
53314333314134
6225034050512
731152301220
oct6541314614
92276574128
10897948044
11420960724
12210879a38
13114058706
1487384780
1553c73a2e
hex3585998c

897948044 has 12 divisors (see below), whose sum is σ = 1795896144. Its totient is φ = 384834864.

The previous prime is 897948043. The next prime is 897948047. The reversal of 897948044 is 440849798.

897948044 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (897948043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16034759 + ... + 16034814.

It is an arithmetic number, because the mean of its divisors is an integer number (149658012).

Almost surely, 2897948044 is an apocalyptic number.

It is an amenable number.

897948044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

897948044 is a wasteful number, since it uses less digits than its factorization.

897948044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32069584 (or 32069582 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 897948044 is about 29965.7812179159. The cubic root of 897948044 is about 964.7550700571.

The spelling of 897948044 in words is "eight hundred ninety-seven million, nine hundred forty-eight thousand, forty-four".

Divisors: 1 2 4 7 14 28 32069573 64139146 128278292 224487011 448974022 897948044