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630534633 = 31949107839
BaseRepresentation
bin100101100101010…
…011000111101001
31121221110110220120
4211211103013221
52242404102013
6142322313453
721424312251
oct4545230751
91557413816
10630534633
112a3a14003
121571b8889
13a082a021
145da54961
153a550123
hex259531e9

630534633 has 8 divisors (see below), whose sum is σ = 841152000. Its totient is φ = 420136848.

The previous prime is 630534577. The next prime is 630534643. The reversal of 630534633 is 336435036.

630534633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-630534633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 630534594 and 630534603.

It is not an unprimeable number, because it can be changed into a prime (630534643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48073 + ... + 59766.

It is an arithmetic number, because the mean of its divisors is an integer number (105144000).

Almost surely, 2630534633 is an apocalyptic number.

It is an amenable number.

630534633 is a deficient number, since it is larger than the sum of its proper divisors (210617367).

630534633 is a wasteful number, since it uses less digits than its factorization.

630534633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109791.

The product of its (nonzero) digits is 58320, while the sum is 33.

The square root of 630534633 is about 25110.4486817739. The cubic root of 630534633 is about 857.5043172837.

Adding to 630534633 its reverse (336435036), we get a palindrome (966969669).

The spelling of 630534633 in words is "six hundred thirty million, five hundred thirty-four thousand, six hundred thirty-three".

Divisors: 1 3 1949 5847 107839 323517 210178211 630534633