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133142222 = 2178737253
BaseRepresentation
bin1111110111110…
…01011011001110
3100021112022210102
413323321123032
5233041022342
621113411102
73204455513
oct773713316
9307468712
10133142222
11691787a4
1238709a92
1321778aa5
141397b30a
15ba4e832
hex7ef96ce

133142222 has 8 divisors (see below), whose sum is σ = 199830456. Its totient is φ = 66532072.

The previous prime is 133142221. The next prime is 133142267. The reversal of 133142222 is 222241331.

133142222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 133142194 and 133142203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133142221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15053 + ... + 22200.

It is an arithmetic number, because the mean of its divisors is an integer number (24978807).

Almost surely, 2133142222 is an apocalyptic number.

133142222 is a deficient number, since it is larger than the sum of its proper divisors (66688234).

133142222 is a wasteful number, since it uses less digits than its factorization.

133142222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39042.

The product of its digits is 576, while the sum is 20.

The square root of 133142222 is about 11538.7270528425. The cubic root of 133142222 is about 510.6287541891.

Adding to 133142222 its reverse (222241331), we get a palindrome (355383553).

The spelling of 133142222 in words is "one hundred thirty-three million, one hundred forty-two thousand, two hundred twenty-two".

Divisors: 1 2 1787 3574 37253 74506 66571111 133142222