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608630490 = 233513317547
BaseRepresentation
bin100100010001101…
…111011011011010
31120102020122002000
4210101233123122
52221302133430
6140221021430
721040162626
oct4421573332
91512218060
10608630490
11292613106
1214b9b4876
139912acb0
145ab92186
1538674e60
hex2446f6da

608630490 has 128 divisors (see below), whose sum is σ = 1756581120. Its totient is φ = 149071104.

The previous prime is 608630483. The next prime is 608630507. The reversal of 608630490 is 94036806.

608630490 is a `hidden beast` number, since 60 + 86 + 30 + 490 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1112397 + ... + 1112943.

It is an arithmetic number, because the mean of its divisors is an integer number (13723290).

Almost surely, 2608630490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 608630490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (878290560).

608630490 is an abundant number, since it is smaller than the sum of its proper divisors (1147950630).

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

608630490 is a wasteful number, since it uses less digits than its factorization.

608630490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 608630490 is about 24670.4375721226. The cubic root of 608630490 is about 847.4574495044.

The spelling of 608630490 in words is "six hundred eight million, six hundred thirty thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 90 117 130 135 195 234 270 317 351 390 547 585 634 702 951 1094 1170 1585 1641 1755 1902 2735 2853 3170 3282 3510 4121 4755 4923 5470 5706 7111 8205 8242 8559 9510 9846 12363 14222 14265 14769 16410 17118 20605 21333 24615 24726 28530 29538 35555 37089 41210 42666 42795 49230 61815 63999 71110 73845 74178 85590 106665 111267 123630 127998 147690 173399 185445 191997 213330 222534 319995 346798 370890 383994 520197 556335 639990 866995 959985 1040394 1112670 1560591 1733990 1919970 2254187 2600985 3121182 4508374 4681773 5201970 6762561 7802955 9363546 11270935 13525122 15605910 20287683 22541870 23408865 33812805 40575366 46817730 60863049 67625610 101438415 121726098 202876830 304315245 608630490