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422868031 = 602970139
BaseRepresentation
bin11001001101000…
…111010000111111
31002110200220212221
4121031013100333
51331223234111
6105543310211
713323214255
oct3115072077
91073626787
10422868031
111a7775013
12b974b367
13697ba291
14402385d5
15271ce371
hex1934743f

422868031 has 4 divisors (see below), whose sum is σ = 422944200. Its totient is φ = 422791864.

The previous prime is 422868023. The next prime is 422868073. The reversal of 422868031 is 130868224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422868031 - 23 = 422868023 is a prime.

It is a super-2 number, since 2×4228680312 = 357634743283633922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422868011) 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, 29041 + ... + 41098.

It is an arithmetic number, because the mean of its divisors is an integer number (105736050).

Almost surely, 2422868031 is an apocalyptic number.

422868031 is a deficient number, since it is larger than the sum of its proper divisors (76169).

422868031 is an equidigital number, since it uses as much as digits as its factorization.

422868031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76168.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 422868031 is about 20563.7552747547. The cubic root of 422868031 is about 750.5880016997.

The spelling of 422868031 in words is "four hundred twenty-two million, eight hundred sixty-eight thousand, thirty-one".

Divisors: 1 6029 70139 422868031