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164860 = 2258243
BaseRepresentation
bin101000001111111100
322101010221
4220033330
520233420
63311124
71254433
oct501774
9271127
10164860
11102953
127b4a4
135a067
144411a
1533caa
hex283fc

164860 has 12 divisors (see below), whose sum is σ = 346248. Its totient is φ = 65936.

The previous prime is 164839. The next prime is 164881. The reversal of 164860 is 68461.

It is an interprime number because it is at equal distance from previous prime (164839) and next prime (164881).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4102 + ... + 4141.

It is an arithmetic number, because the mean of its divisors is an integer number (28854).

2164860 is an apocalyptic number.

164860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164860 is an abundant number, since it is smaller than the sum of its proper divisors (181388).

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

164860 is a wasteful number, since it uses less digits than its factorization.

164860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8252 (or 8250 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 164860 is about 406.0295555745. The cubic root of 164860 is about 54.8325485507.

It can be divided in two parts, 164 and 860, that added together give a 10-th power (1024 = 210).

The spelling of 164860 in words is "one hundred sixty-four thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 8243 16486 32972 41215 82430 164860