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163285814 = 2197414431
BaseRepresentation
bin10011011101110…
…00101100110110
3102101020210000202
421232320230312
5313300121224
624111440502
74021622636
oct1156705466
9371223022
10163285814
118419705a
1246826132
1327aa1233
14179866c6
15e505eae
hex9bb8b36

163285814 has 8 divisors (see below), whose sum is σ = 246172608. Its totient is φ = 81228280.

The previous prime is 163285789. The next prime is 163285819. The reversal of 163285814 is 418582361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163285819) 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, 206822 + ... + 207609.

It is an arithmetic number, because the mean of its divisors is an integer number (30771576).

Almost surely, 2163285814 is an apocalyptic number.

163285814 is a deficient number, since it is larger than the sum of its proper divisors (82886794).

163285814 is a wasteful number, since it uses less digits than its factorization.

163285814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414630.

The product of its digits is 46080, while the sum is 38.

The square root of 163285814 is about 12778.3337724447. Note that the first 3 decimals coincide. The cubic root of 163285814 is about 546.5746498074.

The spelling of 163285814 in words is "one hundred sixty-three million, two hundred eighty-five thousand, eight hundred fourteen".

Divisors: 1 2 197 394 414431 828862 81642907 163285814