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164260 = 22543191
BaseRepresentation
bin101000000110100100
322100022201
4220012210
520224020
63304244
71252615
oct500644
9270281
10164260
11102458
127b084
13599c5
1443c0c
1533a0a
hex281a4

164260 has 24 divisors (see below), whose sum is σ = 354816. Its totient is φ = 63840.

The previous prime is 164251. The next prime is 164267. The reversal of 164260 is 62461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765 + ... + 955.

It is an arithmetic number, because the mean of its divisors is an integer number (14784).

2164260 is an apocalyptic number.

164260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177408).

164260 is an abundant number, since it is smaller than the sum of its proper divisors (190556).

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

164260 is a wasteful number, since it uses less digits than its factorization.

164260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 164260 is about 405.2900196156. The cubic root of 164260 is about 54.7659475516.

It can be divided in two parts, 164 and 260, that added together give a palindrome (424).

The spelling of 164260 in words is "one hundred sixty-four thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 43 86 172 191 215 382 430 764 860 955 1910 3820 8213 16426 32852 41065 82130 164260