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530820630 = 232512746441
BaseRepresentation
bin11111101000111…
…010111000010110
31100222211111000100
4133220322320112
52041342230010
6124401154530
716103621004
oct3750727026
91328744010
10530820630
112526a843a
1212992ba46
1385c86762
14506d9a74
15319052c0
hex1fa3ae16

530820630 has 48 divisors (see below), whose sum is σ = 1391030784. Its totient is φ = 140434560.

The previous prime is 530820617. The next prime is 530820643. The reversal of 530820630 is 36028035.

530820630 is a `hidden beast` number, since 5 + 3 + 0 + 8 + 20 + 630 = 666.

It is an interprime number because it is at equal distance from previous prime (530820617) and next prime (530820643).

It is a junction number, because it is equal to n+sod(n) for n = 530820594 and 530820603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11791 + ... + 34650.

It is an arithmetic number, because the mean of its divisors is an integer number (28979808).

Almost surely, 2530820630 is an apocalyptic number.

530820630 is an abundant number, since it is smaller than the sum of its proper divisors (860210154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530820630 is a wasteful number, since it uses less digits than its factorization.

530820630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46581 (or 46578 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 530820630 is about 23039.5449173806. The cubic root of 530820630 is about 809.6846966672.

Adding to 530820630 its reverse (36028035), we get a palindrome (566848665).

The spelling of 530820630 in words is "five hundred thirty million, eight hundred twenty thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 127 254 381 635 762 1143 1270 1905 2286 3810 5715 11430 46441 92882 139323 232205 278646 417969 464410 696615 835938 1393230 2089845 4179690 5898007 11796014 17694021 29490035 35388042 53082063 58980070 88470105 106164126 176940210 265410315 530820630