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652256 = 251117109
BaseRepresentation
bin10011111001111100000
31020010201122
42133033200
5131333011
621551412
75354423
oct2371740
91203648
10652256
11406060
12275568
1319ab67
1412d9ba
15cd3db
hex9f3e0

652256 has 48 divisors (see below), whose sum is σ = 1496880. Its totient is φ = 276480.

The previous prime is 652243. The next prime is 652261.

It is a happy number.

652256 is nontrivially palindromic in base 10.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

652256 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5930 + ... + 6038.

It is an arithmetic number, because the mean of its divisors is an integer number (31185).

2652256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748440).

652256 is an abundant number, since it is smaller than the sum of its proper divisors (844624).

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

652256 is a wasteful number, since it uses less digits than its factorization.

652256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 139 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 652256 is about 807.6236747397. The cubic root of 652256 is about 86.7240120147.

The spelling of 652256 in words is "six hundred fifty-two thousand, two hundred fifty-six".