Search a number
-
+
166285910 = 25721953337
BaseRepresentation
bin10011110100101…
…01001001010110
3102120220012101102
421322111021112
5320032122120
624300030102
74056256400
oct1172251126
9376805342
10166285910
118595607a
1247832332
13285b193b
1418127b70
15e8e9d75
hex9e95256

166285910 has 96 divisors (see below), whose sum is σ = 374531040. Its totient is φ = 52835328.

The previous prime is 166285907. The next prime is 166285921. The reversal of 166285910 is 19582661.

166285910 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 493262 + ... + 493598.

It is an arithmetic number, because the mean of its divisors is an integer number (3901365).

Almost surely, 2166285910 is an apocalyptic number.

166285910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166285910 is an abundant number, since it is smaller than the sum of its proper divisors (208245130).

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

166285910 is a wasteful number, since it uses less digits than its factorization.

166285910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 166285910 is about 12895.1894131106. The cubic root of 166285910 is about 549.9018116731.

The spelling of 166285910 in words is "one hundred sixty-six million, two hundred eighty-five thousand, nine hundred ten".

Divisors: 1 2 5 7 10 14 19 35 38 49 53 70 95 98 106 133 190 245 265 266 337 371 490 530 665 674 742 931 1007 1330 1685 1855 1862 2014 2359 2597 3370 3710 4655 4718 5035 5194 6403 7049 9310 10070 11795 12806 12985 14098 16513 17861 23590 25970 32015 33026 35245 35722 44821 49343 64030 70490 82565 89305 89642 98686 125027 165130 178610 224105 246715 250054 313747 339359 448210 493430 625135 627494 678718 875189 1250270 1568735 1696795 1750378 2375513 3137470 3393590 4375945 4751026 8751890 11877565 16628591 23755130 33257182 83142955 166285910