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163920282 = 2327320047
BaseRepresentation
bin10011100010100…
…11100110011010
3102102110000100120
421301103212122
5313430422112
624133214110
74030204461
oct1161234632
9372400316
10163920282
118458a809
1246a91336
1327c63c66
1417aad9d8
15e5cde8c
hex9c5399a

163920282 has 8 divisors (see below), whose sum is σ = 327840576. Its totient is φ = 54640092.

The previous prime is 163920271. The next prime is 163920283. The reversal of 163920282 is 282029361.

It is a happy number.

163920282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

163920282 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (163920283) 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, 13660018 + ... + 13660029.

It is an arithmetic number, because the mean of its divisors is an integer number (40980072).

Almost surely, 2163920282 is an apocalyptic number.

163920282 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163920282 is a wasteful number, since it uses less digits than its factorization.

163920282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27320052.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 163920282 is about 12803.1356315553. The cubic root of 163920282 is about 547.2816635306.

The spelling of 163920282 in words is "one hundred sixty-three million, nine hundred twenty thousand, two hundred eighty-two".

Divisors: 1 2 3 6 27320047 54640094 81960141 163920282