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133412200 = 23521394799
BaseRepresentation
bin1111111001110…
…11010101101000
3100022001001010121
413330323111220
5233123142300
621123253024
73206661565
oct774732550
9308031117
10133412200
1169342619
123881a174
132184193c
1413a0b86c
15baa481a
hex7f3b568

133412200 has 48 divisors (see below), whose sum is σ = 312480000. Its totient is φ = 52969920.

The previous prime is 133412161. The next prime is 133412231. The reversal of 133412200 is 2214331.

It is a happy number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 25401 + ... + 30199.

It is an arithmetic number, because the mean of its divisors is an integer number (6510000).

Almost surely, 2133412200 is an apocalyptic number.

133412200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133412200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156240000).

133412200 is an abundant number, since it is smaller than the sum of its proper divisors (179067800).

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

133412200 is a wasteful number, since it uses less digits than its factorization.

133412200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4954 (or 4945 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 133412200 is about 11550.4199057870. The cubic root of 133412200 is about 510.9736621931.

Adding to 133412200 its reverse (2214331), we get a palindrome (135626531).

The spelling of 133412200 in words is "one hundred thirty-three million, four hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 139 200 278 556 695 1112 1390 2780 3475 4799 5560 6950 9598 13900 19196 23995 27800 38392 47990 95980 119975 191960 239950 479900 667061 959800 1334122 2668244 3335305 5336488 6670610 13341220 16676525 26682440 33353050 66706100 133412200