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422810487 = 32119744029
BaseRepresentation
bin11001001100111…
…001001101110111
31002110120222221200
4121030321031313
51331214413422
6105542143543
713322554431
oct3114711567
91073528850
10422810487
111a7735860
12b9721bb3
136979a028
1440221651
15271bc2ac
hex19339377

422810487 has 24 divisors (see below), whose sum is σ = 673130640. Its totient is φ = 253601280.

The previous prime is 422810483. The next prime is 422810497. The reversal of 422810487 is 784018224.

It is not a de Polignac number, because 422810487 - 22 = 422810483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422810483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12412 + ... + 31617.

It is an arithmetic number, because the mean of its divisors is an integer number (28047110).

Almost surely, 2422810487 is an apocalyptic number.

422810487 is a deficient number, since it is larger than the sum of its proper divisors (250320153).

422810487 is a wasteful number, since it uses less digits than its factorization.

422810487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44143 (or 44140 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 422810487 is about 20562.3560663655. The cubic root of 422810487 is about 750.5539534134.

The spelling of 422810487 in words is "four hundred twenty-two million, eight hundred ten thousand, four hundred eighty-seven".

Divisors: 1 3 9 11 33 97 99 291 873 1067 3201 9603 44029 132087 396261 484319 1452957 4270813 4358871 12812439 38437317 46978943 140936829 422810487