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652633 = 2332801
BaseRepresentation
bin10011111010101011001
31020011020121
42133111121
5131341013
621553241
75355502
oct2372531
91204217
10652633
11406373
12275821
1319b097
1412dba9
15cd58d
hex9f559

652633 has 4 divisors (see below), whose sum is σ = 655668. Its totient is φ = 649600.

The previous prime is 652627. The next prime is 652651. The reversal of 652633 is 336256.

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 227529 + 425104 = 477^2 + 652^2 .

It is a cyclic number.

It is not a de Polignac number, because 652633 - 25 = 652601 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 64 + 57 + 66 + 219 + 34 + 37 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 652598 and 652607.

It is not an unprimeable number, because it can be changed into a prime (652033) 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, 1168 + ... + 1633.

It is an arithmetic number, because the mean of its divisors is an integer number (163917).

2652633 is an apocalyptic number.

It is an amenable number.

652633 is a deficient number, since it is larger than the sum of its proper divisors (3035).

652633 is a wasteful number, since it uses less digits than its factorization.

652633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034.

The product of its digits is 3240, while the sum is 25.

The square root of 652633 is about 807.8570418088. The cubic root of 652633 is about 86.7407174470.

Adding to 652633 its reverse (336256), we get a palindrome (988889).

The spelling of 652633 in words is "six hundred fifty-two thousand, six hundred thirty-three".

Divisors: 1 233 2801 652633