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422910430 = 25231838741
BaseRepresentation
bin11001001101010…
…001100111011110
31002110210002001021
4121031101213132
51331231113210
6105544234354
713323452005
oct3115214736
91073702037
10422910430
111a77a3958
12b976b9ba
1369803677
1440249c3c
15271dbbda
hex193519de

422910430 has 16 divisors (see below), whose sum is σ = 794336544. Its totient is φ = 161809120.

The previous prime is 422910427. The next prime is 422910431. The reversal of 422910430 is 34019224.

It is a junction number, because it is equal to n+sod(n) for n = 422910395 and 422910404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422910431) 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, 919141 + ... + 919600.

It is an arithmetic number, because the mean of its divisors is an integer number (49646034).

Almost surely, 2422910430 is an apocalyptic number.

422910430 is a deficient number, since it is larger than the sum of its proper divisors (371426114).

422910430 is a wasteful number, since it uses less digits than its factorization.

422910430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838771.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 422910430 is about 20564.7861647040. The cubic root of 422910430 is about 750.6130868443.

Adding to 422910430 its reverse (34019224), we get a palindrome (456929654).

The spelling of 422910430 in words is "four hundred twenty-two million, nine hundred ten thousand, four hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 1838741 3677482 9193705 18387410 42291043 84582086 211455215 422910430