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422880469 = 1138443679
BaseRepresentation
bin11001001101001…
…010010011010101
31002110201112221121
4121031022103111
51331224133334
6105543443541
713323265444
oct3115122325
91073645847
10422880469
111a77833a0
12b97565b1
13697c2b3b
144023cd5b
15271d2db4
hex1934a4d5

422880469 has 4 divisors (see below), whose sum is σ = 461324160. Its totient is φ = 384436780.

The previous prime is 422880463. The next prime is 422880499. The reversal of 422880469 is 964088224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-422880469 is a prime.

It is a super-2 number, since 2×4228804692 = 357655782123319922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422880463) 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, 19221829 + ... + 19221850.

It is an arithmetic number, because the mean of its divisors is an integer number (115331040).

Almost surely, 2422880469 is an apocalyptic number.

It is an amenable number.

422880469 is a deficient number, since it is larger than the sum of its proper divisors (38443691).

422880469 is a wasteful number, since it uses less digits than its factorization.

422880469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38443690.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 422880469 is about 20564.0576978377. The cubic root of 422880469 is about 750.5953607505.

The spelling of 422880469 in words is "four hundred twenty-two million, eight hundred eighty thousand, four hundred sixty-nine".

Divisors: 1 11 38443679 422880469