Search a number
-
+
164017290 = 2355467243
BaseRepresentation
bin10011100011010…
…11010010001010
3102102121221102110
421301223102022
5313442023130
624135243150
74031060343
oct1161532212
9372557373
10164017290
1184646688
1246b194b6
1327c99168
1417ad70ca
15e5ecab0
hex9c6b48a

164017290 has 16 divisors (see below), whose sum is σ = 393641568. Its totient is φ = 43737936.

The previous prime is 164017289. The next prime is 164017297. The reversal of 164017290 is 92710461.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 5467243 = 164017290 / (1 + 6 + 4 + 0 + 1 + 7 + 2 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (164017297) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2733592 + ... + 2733651.

It is an arithmetic number, because the mean of its divisors is an integer number (24602598).

Almost surely, 2164017290 is an apocalyptic number.

164017290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164017290 is an abundant number, since it is smaller than the sum of its proper divisors (229624278).

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

164017290 is a wasteful number, since it uses less digits than its factorization.

164017290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5467253.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 164017290 is about 12806.9235181600. The cubic root of 164017290 is about 547.3896026447.

The spelling of 164017290 in words is "one hundred sixty-four million, seventeen thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 5467243 10934486 16401729 27336215 32803458 54672430 82008645 164017290