Search a number
-
+
164255910 = 23571360167
BaseRepresentation
bin10011100101001…
…01100010100110
3102110002001202020
421302211202212
5314022142120
624144324010
74033103130
oct1162454246
9373061666
10164255910
1184799995
1247013606
1328050960
1417b5a050
15e648640
hex9ca58a6

164255910 has 64 divisors (see below), whose sum is σ = 485194752. Its totient is φ = 34655616.

The previous prime is 164255909. The next prime is 164255933. The reversal of 164255910 is 19552461.

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 31 ways as a sum of consecutive naturals, for example, 27354 + ... + 32813.

It is an arithmetic number, because the mean of its divisors is an integer number (7581168).

Almost surely, 2164255910 is an apocalyptic number.

164255910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164255910 is an abundant number, since it is smaller than the sum of its proper divisors (320938842).

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

164255910 is a wasteful number, since it uses less digits than its factorization.

164255910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60197.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 164255910 is about 12816.2361869622. The cubic root of 164255910 is about 547.6549299871.

The spelling of 164255910 in words is "one hundred sixty-four million, two hundred fifty-five thousand, nine hundred ten".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 182 195 210 273 390 455 546 910 1365 2730 60167 120334 180501 300835 361002 421169 601670 782171 842338 902505 1263507 1564342 1805010 2105845 2346513 2527014 3910855 4211690 4693026 5475197 6317535 7821710 10950394 11732565 12635070 16425591 23465130 27375985 32851182 54751970 82127955 164255910