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630623706 = 232341227491
BaseRepresentation
bin100101100101101…
…000110111011010
31121221122000002120
4211211220313122
52242414424311
6142324242110
721425133036
oct4545506732
91557560076
10630623706
112a3a74a19
12157240336
13a085b72b
145da791c6
153a56b706
hex25968dda

630623706 has 64 divisors (see below), whose sum is σ = 1356880896. Its totient is φ = 194902400.

The previous prime is 630623701. The next prime is 630623717. The reversal of 630623706 is 607326036.

It is not an unprimeable number, because it can be changed into a prime (630623701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1284121 + ... + 1284611.

It is an arithmetic number, because the mean of its divisors is an integer number (21201264).

Almost surely, 2630623706 is an apocalyptic number.

630623706 is an abundant number, since it is smaller than the sum of its proper divisors (726257190).

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

630623706 is a wasteful number, since it uses less digits than its factorization.

630623706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787.

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 630623706 is about 25112.2222433619. Note that the first 4 decimals coincide. The cubic root of 630623706 is about 857.5446940696.

The spelling of 630623706 in words is "six hundred thirty million, six hundred twenty-three thousand, seven hundred six".

Divisors: 1 2 3 6 23 41 46 69 82 123 138 227 246 454 491 681 943 982 1362 1473 1886 2829 2946 5221 5658 9307 10442 11293 15663 18614 20131 22586 27921 31326 33879 40262 55842 60393 67758 111457 120786 214061 222914 334371 428122 463013 642183 668742 926026 1284366 1389039 2563511 2778078 4569737 5127022 7690533 9139474 13709211 15381066 27418422 105103951 210207902 315311853 630623706