Search a number
-
+
610625 = 54977
BaseRepresentation
bin10010101000101000001
31011000121202
42111011001
5124020000
621030545
75122151
oct2250501
91130552
10610625
11387854
12255455
13184c22
1411c761
15c0dd5
hex95141

610625 has 10 divisors (see below), whose sum is σ = 763818. Its totient is φ = 488000.

The previous prime is 610619. The next prime is 610633. The reversal of 610625 is 526016.

It can be written as a sum of positive squares in 5 ways, for example, as 97969 + 512656 = 313^2 + 716^2 .

It is not a de Polignac number, because 610625 - 210 = 609601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 610597 and 610606.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 610625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 137 + ... + 1113.

2610625 is an apocalyptic number.

It is an amenable number.

610625 is a deficient number, since it is larger than the sum of its proper divisors (153193).

610625 is an frugal number, since it uses more digits than its factorization.

610625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 610625 is about 781.4249804044. The cubic root of 610625 is about 84.8382159096.

The spelling of 610625 in words is "six hundred ten thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 977 4885 24425 122125 610625