Search a number
-
+
164241770 = 25711219391
BaseRepresentation
bin10011100101000…
…10000101101010
3102110001100100112
421302202011222
5314021214040
624144134322
74033013660
oct1162420552
9373040315
10164241770
118478a300
12470073a2
13280473a4
1417b54c30
15e644365
hex9ca216a

164241770 has 48 divisors (see below), whose sum is σ = 371395584. Its totient is φ = 51189600.

The previous prime is 164241769. The next prime is 164241793. The reversal of 164241770 is 77142461.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1226 + ... + 18165.

It is an arithmetic number, because the mean of its divisors is an integer number (7737408).

Almost surely, 2164241770 is an apocalyptic number.

164241770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164241770 is an abundant number, since it is smaller than the sum of its proper divisors (207153814).

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

164241770 is a wasteful number, since it uses less digits than its factorization.

164241770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19427 (or 19416 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 164241770 is about 12815.6845310736. The cubic root of 164241770 is about 547.6392145446.

The spelling of 164241770 in words is "one hundred sixty-four million, two hundred forty-one thousand, seven hundred seventy".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 121 154 242 385 605 770 847 1210 1694 4235 8470 19391 38782 96955 135737 193910 213301 271474 426602 678685 1066505 1357370 1493107 2133010 2346311 2986214 4692622 7465535 11731555 14931070 16424177 23463110 32848354 82120885 164241770