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422947797 = 3172181919
BaseRepresentation
bin11001001101011…
…010101111010101
31002110211222022020
4121031122233111
51331233312142
6105545123353
713323665646
oct3115325725
91073758266
10422947797
111a7819a38
12b9789559
136981768c
14402596cd
15271e7cec
hex1935abd5

422947797 has 8 divisors (see below), whose sum is σ = 564264960. Its totient is φ = 281797920.

The previous prime is 422947769. The next prime is 422947799. The reversal of 422947797 is 797749224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422947797 - 28 = 422947541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422947799) 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 7 ways as a sum of consecutive naturals, for example, 35797 + ... + 46122.

It is an arithmetic number, because the mean of its divisors is an integer number (70533120).

Almost surely, 2422947797 is an apocalyptic number.

It is an amenable number.

422947797 is a deficient number, since it is larger than the sum of its proper divisors (141317163).

422947797 is a wasteful number, since it uses less digits than its factorization.

422947797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83643.

The product of its digits is 1778112, while the sum is 51.

The square root of 422947797 is about 20565.6946636869. The cubic root of 422947797 is about 750.6351934427.

The spelling of 422947797 in words is "four hundred twenty-two million, nine hundred forty-seven thousand, seven hundred ninety-seven".

Divisors: 1 3 1721 5163 81919 245757 140982599 422947797