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200347730 = 251131411433
BaseRepresentation
bin10111111000100…
…01000001010010
3111221222201102022
423330101001102
5402242111410
631514051442
74651633112
oct1374210122
9457881368
10200347730
11a3100240
1257119b82
133267966b
141c873042
15128c7455
hexbf11052

200347730 has 64 divisors (see below), whose sum is σ = 416295936. Its totient is φ = 68736000.

The previous prime is 200347727. The next prime is 200347739. The reversal of 200347730 is 37743002.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200347730.

It is not an unprimeable number, because it can be changed into a prime (200347739) 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, 139094 + ... + 140526.

It is an arithmetic number, because the mean of its divisors is an integer number (6504624).

Almost surely, 2200347730 is an apocalyptic number.

200347730 is an abundant number, since it is smaller than the sum of its proper divisors (215948206).

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

200347730 is a wasteful number, since it uses less digits than its factorization.

200347730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 200347730 is about 14154.4243966330. The cubic root of 200347730 is about 585.1422743054.

The spelling of 200347730 in words is "two hundred million, three hundred forty-seven thousand, seven hundred thirty".

Divisors: 1 2 5 10 11 22 31 41 55 62 82 110 155 205 310 341 410 451 682 902 1271 1433 1705 2255 2542 2866 3410 4510 6355 7165 12710 13981 14330 15763 27962 31526 44423 58753 69905 78815 88846 117506 139810 157630 222115 293765 444230 488653 587530 646283 977306 1292566 1821343 2443265 3231415 3642686 4886530 6462830 9106715 18213430 20034773 40069546 100173865 200347730