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133830411 = 311131571987
BaseRepresentation
bin1111111101000…
…01011100001011
3100022211021210220
413332201130023
5233230033121
621140241123
73213353061
oct776413413
9308737726
10133830411
11695a8850
12389a01a3
132195a0c0
1413aba031
15bb386c6
hex7fa170b

133830411 has 32 divisors (see below), whose sum is σ = 211077888. Its totient is φ = 74355840.

The previous prime is 133830343. The next prime is 133830413. The reversal of 133830411 is 114038331.

It is not a de Polignac number, because 133830411 - 27 = 133830283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133830413) 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, 66360 + ... + 68346.

It is an arithmetic number, because the mean of its divisors is an integer number (6596184).

Almost surely, 2133830411 is an apocalyptic number.

133830411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133830411 is a deficient number, since it is larger than the sum of its proper divisors (77247477).

133830411 is a wasteful number, since it uses less digits than its factorization.

133830411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 133830411 is about 11568.5094545494. The cubic root of 133830411 is about 511.5070264646.

Adding to 133830411 its reverse (114038331), we get a palindrome (247868742).

The spelling of 133830411 in words is "one hundred thirty-three million, eight hundred thirty thousand, four hundred eleven".

Divisors: 1 3 11 13 33 39 143 157 429 471 1727 1987 2041 5181 5961 6123 21857 22451 25831 65571 67353 77493 284141 311959 852423 935877 3431549 4055467 10294647 12166401 44610137 133830411