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164430282 = 2327405047
BaseRepresentation
bin10011100110100…
…00000111001010
3102110101220221110
421303100013022
5314043232112
624152151150
74034430402
oct1163200712
9373356843
10164430282
11848a89a5
12470984b6
13280b2133
1417ba3802
15e68013c
hex9cd01ca

164430282 has 8 divisors (see below), whose sum is σ = 328860576. Its totient is φ = 54810092.

The previous prime is 164430281. The next prime is 164430337. The reversal of 164430282 is 282034461.

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

164430282 is an admirable number.

It is a super-3 number, since 3×1644302823 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (164430281) 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, 13702518 + ... + 13702529.

It is an arithmetic number, because the mean of its divisors is an integer number (41107572).

Almost surely, 2164430282 is an apocalyptic number.

164430282 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.

164430282 is a wasteful number, since it uses less digits than its factorization.

164430282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27405052.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 164430282 is about 12823.0371597372. The cubic root of 164430282 is about 547.8486559704.

The spelling of 164430282 in words is "one hundred sixty-four million, four hundred thirty thousand, two hundred eighty-two".

Divisors: 1 2 3 6 27405047 54810094 82215141 164430282