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630050 = 25212601
BaseRepresentation
bin10011001110100100010
31012000021012
42121310202
5130130200
621300522
75232611
oct2316442
91160235
10630050
113a0403
12264742
13190a15
14125878
15c6a35
hex99d22

630050 has 12 divisors (see below), whose sum is σ = 1171986. Its totient is φ = 252000.

The previous prime is 630043. The next prime is 630067. The reversal of 630050 is 50036.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 421201 + 208849 = 649^2 + 457^2 .

It is an Ulam number.

It is an unprimeable number.

630050 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6251 + ... + 6350.

2630050 is an apocalyptic number.

630050 is a deficient number, since it is larger than the sum of its proper divisors (541936).

630050 is a wasteful number, since it uses less digits than its factorization.

630050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12613 (or 12608 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 630050 is about 793.7568897339. The cubic root of 630050 is about 85.7284566517.

Subtracting from 630050 its sum of digits (14), we obtain a palindrome (630036).

Adding to 630050 its reverse (50036), we get a palindrome (680086).

It can be divided in two parts, 6 and 30050, that multiplied together give a triangular number (180300 = T600).

The spelling of 630050 in words is "six hundred thirty thousand, fifty".

Divisors: 1 2 5 10 25 50 12601 25202 63005 126010 315025 630050