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630839136 = 2537390017
BaseRepresentation
bin100101100110011…
…101011101100000
31121222000221121110
4211212131131200
52242443323021
6142333023320
721430021104
oct4546353540
91558027543
10630839136
112a4101864
12157324b40
13a09057c5
145dad3904
153a5b0476
hex2599d760

630839136 has 48 divisors (see below), whose sum is σ = 1678655664. Its totient is φ = 207396864.

The previous prime is 630839081. The next prime is 630839141. The reversal of 630839136 is 631938036.

630839136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 630839094 and 630839103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38001 + ... + 52016.

It is an arithmetic number, because the mean of its divisors is an integer number (34971993).

Almost surely, 2630839136 is an apocalyptic number.

It is an amenable number.

630839136 is an abundant number, since it is smaller than the sum of its proper divisors (1047816528).

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

630839136 is a wasteful number, since it uses less digits than its factorization.

630839136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90103 (or 90095 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 630839136 is about 25116.5112226997. The cubic root of 630839136 is about 857.6423327613.

The spelling of 630839136 in words is "six hundred thirty million, eight hundred thirty-nine thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 73 96 146 219 292 438 584 876 1168 1752 2336 3504 7008 90017 180034 270051 360068 540102 720136 1080204 1440272 2160408 2880544 4320816 6571241 8641632 13142482 19713723 26284964 39427446 52569928 78854892 105139856 157709784 210279712 315419568 630839136