Search a number
-
+
166379928 = 233111348479
BaseRepresentation
bin10011110101011…
…00000110011000
3102121001222100120
421322230012120
5320043124203
624302033240
74060130451
oct1172540630
9377058316
10166379928
1185a0a780
1247878820
1328615680
1418150128
15e917b53
hex9eac198

166379928 has 64 divisors (see below), whose sum is σ = 488678400. Its totient is φ = 46538880.

The previous prime is 166379881. The next prime is 166379951. The reversal of 166379928 is 829973661.

166379928 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20808 + ... + 27671.

It is an arithmetic number, because the mean of its divisors is an integer number (7635600).

Almost surely, 2166379928 is an apocalyptic number.

It is an amenable number.

166379928 is an abundant number, since it is smaller than the sum of its proper divisors (322298472).

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

166379928 is a wasteful number, since it uses less digits than its factorization.

166379928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48512 (or 48508 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The square root of 166379928 is about 12898.8343659418. The cubic root of 166379928 is about 550.0054302494.

It can be divided in two parts, 16637 and 9928, that added together give a triangular number (26565 = T230).

The spelling of 166379928 in words is "one hundred sixty-six million, three hundred seventy-nine thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 52 66 78 88 104 132 143 156 264 286 312 429 572 858 1144 1716 3432 48479 96958 145437 193916 290874 387832 533269 581748 630227 1066538 1163496 1260454 1599807 1890681 2133076 2520908 3199614 3781362 4266152 5041816 6399228 6932497 7562724 12798456 13864994 15125448 20797491 27729988 41594982 55459976 83189964 166379928