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422115530 = 25311817523
BaseRepresentation
bin11001001010001…
…111100011001010
31002102021200122112
4121022033203022
51331030144110
6105515222322
713313631344
oct3112174312
91072250575
10422115530
111a7300711
12b94479a2
13695b5905
14400c0294
15270d1405
hex1928f8ca

422115530 has 32 divisors (see below), whose sum is σ = 788755968. Its totient is φ = 162475200.

The previous prime is 422115523. The next prime is 422115557. The reversal of 422115530 is 35511224.

It is a junction number, because it is equal to n+sod(n) for n = 422115496 and 422115505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52349 + ... + 59871.

It is an arithmetic number, because the mean of its divisors is an integer number (24648624).

Almost surely, 2422115530 is an apocalyptic number.

422115530 is a deficient number, since it is larger than the sum of its proper divisors (366640438).

422115530 is a wasteful number, since it uses less digits than its factorization.

422115530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7742.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 422115530 is about 20545.4503479481. The cubic root of 422115530 is about 750.1425092161.

Adding to 422115530 its reverse (35511224), we get a palindrome (457626754).

The spelling of 422115530 in words is "four hundred twenty-two million, one hundred fifteen thousand, five hundred thirty".

Divisors: 1 2 5 10 31 62 155 181 310 362 905 1810 5611 7523 11222 15046 28055 37615 56110 75230 233213 466426 1166065 1361663 2332130 2723326 6808315 13616630 42211553 84423106 211057765 422115530