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133200206 = 297757907
BaseRepresentation
bin1111111000001…
…11100101001110
3100021122021022222
413330013211032
5233044401311
621114535342
73205116536
oct774074516
9307567288
10133200206
1169208317
1238737552
13217992b9
14139944c6
15ba61adb
hex7f0794e

133200206 has 16 divisors (see below), whose sum is σ = 202349616. Its totient is φ = 65753856.

The previous prime is 133200191. The next prime is 133200217. The reversal of 133200206 is 602002331.

It is a Curzon number.

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, 146405 + ... + 147311.

It is an arithmetic number, because the mean of its divisors is an integer number (12646851).

Almost surely, 2133200206 is an apocalyptic number.

133200206 is a deficient number, since it is larger than the sum of its proper divisors (69149410).

133200206 is an equidigital number, since it uses as much as digits as its factorization.

133200206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 133200206 is about 11541.2393615244. The cubic root of 133200206 is about 510.7028704238.

Adding to 133200206 its reverse (602002331), we get a palindrome (735202537).

The spelling of 133200206 in words is "one hundred thirty-three million, two hundred thousand, two hundred six".

Divisors: 1 2 97 194 757 907 1514 1814 73429 87979 146858 175958 686599 1373198 66600103 133200206