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897948042 = 23374044811
BaseRepresentation
bin110101100001011…
…001100110001010
32022120122111010220
4311201121212022
53314333314132
6225034050510
731152301215
oct6541314612
92276574126
10897948042
11420960722
12210879a36
13114058704
148738477c
1553c73a2c
hex3585998a

897948042 has 16 divisors (see below), whose sum is σ = 1844434272. Its totient is φ = 291226320.

The previous prime is 897948001. The next prime is 897948043. The reversal of 897948042 is 240849798.

It is a super-2 number, since 2×8979480422 = 1612621372263267528, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 2022184 + ... + 2022627.

It is an arithmetic number, because the mean of its divisors is an integer number (115277142).

Almost surely, 2897948042 is an apocalyptic number.

897948042 is an abundant number, since it is smaller than the sum of its proper divisors (946486230).

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

897948042 is a wasteful number, since it uses less digits than its factorization.

897948042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044853.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 897948042 is about 29965.7811845445. The cubic root of 897948042 is about 964.7550693408.

The spelling of 897948042 in words is "eight hundred ninety-seven million, nine hundred forty-eight thousand, forty-two".

Divisors: 1 2 3 6 37 74 111 222 4044811 8089622 12134433 24268866 149658007 299316014 448974021 897948042