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200133221 = 679673089
BaseRepresentation
bin10111110110111…
…00101001100101
3111221120211011112
423323130221211
5402213230341
631505314405
74650050531
oct1373345145
9457524145
10200133221
11a2a74062
1257035a05
1332602b32
141c818bc1
1512883aeb
hexbedca65

200133221 has 8 divisors (see below), whose sum is σ = 203396160. Its totient is φ = 196878528.

The previous prime is 200133209. The next prime is 200133233. The reversal of 200133221 is 122331002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200133209) and next prime (200133233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200133221 - 226 = 133024357 is a prime.

It is a super-2 number, since 2×2001332212 = 80106612295669682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200133196 and 200133205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200130221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63245 + ... + 66333.

It is an arithmetic number, because the mean of its divisors is an integer number (25424520).

Almost surely, 2200133221 is an apocalyptic number.

It is an amenable number.

200133221 is a deficient number, since it is larger than the sum of its proper divisors (3262939).

200133221 is an equidigital number, since it uses as much as digits as its factorization.

200133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 200133221 is about 14146.8449132660. The cubic root of 200133221 is about 584.9333656784.

Adding to 200133221 its reverse (122331002), we get a palindrome (322464223).

The spelling of 200133221 in words is "two hundred million, one hundred thirty-three thousand, two hundred twenty-one".

Divisors: 1 67 967 3089 64789 206963 2987063 200133221