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200990208 = 293197197
BaseRepresentation
bin10111111101011…
…01111000000000
3112000012100201210
423332231320000
5402423141313
631535530120
74660250166
oct1376557000
9460170653
10200990208
11a34a9a11
1257389940
1332842c23
141c99d236
15129a29c3
hexbfade00

200990208 has 160 divisors (see below), whose sum is σ = 577463040. Its totient is φ = 61931520.

The previous prime is 200990171. The next prime is 200990219. The reversal of 200990208 is 802099002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2072016 + ... + 2072112.

It is an arithmetic number, because the mean of its divisors is an integer number (3609144).

Almost surely, 2200990208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200990208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288731520).

200990208 is an abundant number, since it is smaller than the sum of its proper divisors (376472832).

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

200990208 is an equidigital number, since it uses as much as digits as its factorization.

200990208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 200990208 is about 14177.1015373383. The cubic root of 200990208 is about 585.7670877980.

The spelling of 200990208 in words is "two hundred million, nine hundred ninety thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 71 76 96 97 114 128 142 152 192 194 213 228 256 284 291 304 384 388 426 456 512 568 582 608 768 776 852 912 1136 1164 1216 1349 1536 1552 1704 1824 1843 2272 2328 2432 2698 3104 3408 3648 3686 4047 4544 4656 4864 5396 5529 6208 6816 6887 7296 7372 8094 9088 9312 9728 10792 11058 12416 13632 13774 14592 14744 16188 18176 18624 20661 21584 22116 24832 27264 27548 29184 29488 32376 36352 37248 41322 43168 44232 49664 54528 55096 58976 64752 74496 82644 86336 88464 109056 110192 117952 129504 130853 148992 165288 172672 176928 220384 235904 259008 261706 330576 345344 353856 392559 440768 471808 518016 523412 661152 690688 707712 785118 881536 943616 1036032 1046824 1322304 1415424 1570236 1763072 2072064 2093648 2644608 2830848 3140472 3526144 4187296 5289216 6280944 8374592 10578432 12561888 16749184 25123776 33498368 50247552 66996736 100495104 200990208