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652385 = 5130477
BaseRepresentation
bin10011111010001100001
31020010220102
42133101201
5131334020
621552145
75354666
oct2372141
91203812
10652385
11406168
12275655
1319ac36
1412da6d
15cd475
hex9f461

652385 has 4 divisors (see below), whose sum is σ = 782868. Its totient is φ = 521904.

The previous prime is 652381. The next prime is 652411. The reversal of 652385 is 583256.

652385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 135424 + 516961 = 368^2 + 719^2 .

It is a cyclic number.

It is not a de Polignac number, because 652385 - 22 = 652381 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65234 + ... + 65243.

It is an arithmetic number, because the mean of its divisors is an integer number (195717).

2652385 is an apocalyptic number.

It is an amenable number.

652385 is a deficient number, since it is larger than the sum of its proper divisors (130483).

652385 is a wasteful number, since it uses less digits than its factorization.

652385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130482.

The product of its digits is 7200, while the sum is 29.

The square root of 652385 is about 807.7035347205. The cubic root of 652385 is about 86.7297289214.

It can be divided in two parts, 6523 and 85, that multiplied together give a palindrome (554455).

The spelling of 652385 in words is "six hundred fifty-two thousand, three hundred eighty-five".

Divisors: 1 5 130477 652385