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422169530 = 25291455757
BaseRepresentation
bin11001001010011…
…100101110111010
31002102101102201112
4121022130232322
51331033411110
6105520320322
713314244646
oct3112345672
91072342645
10422169530
111a7338242
12b94730a2
1369604373
14400d5c26
15270e2405
hex1929cbba

422169530 has 16 divisors (see below), whose sum is σ = 786109320. Its totient is φ = 163044672.

The previous prime is 422169529. The next prime is 422169533. The reversal of 422169530 is 35961224.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 202863049 + 219306481 = 14243^2 + 14809^2 .

It is a super-2 number, since 2×4221695302 = 356454224120841800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422169533) 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, 727589 + ... + 728168.

Almost surely, 2422169530 is an apocalyptic number.

422169530 is a deficient number, since it is larger than the sum of its proper divisors (363939790).

422169530 is a wasteful number, since it uses less digits than its factorization.

422169530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455793.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 422169530 is about 20546.7644654822. The cubic root of 422169530 is about 750.1744956948.

The spelling of 422169530 in words is "four hundred twenty-two million, one hundred sixty-nine thousand, five hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 1455757 2911514 7278785 14557570 42216953 84433906 211084765 422169530