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133412341 = 277481633
BaseRepresentation
bin1111111001110…
…11010111110101
3100022001001022211
413330323113311
5233123143331
621123253421
73206662156
oct774732765
9308031284
10133412341
1169342737
123881a271
1321841a1a
1413a0b92d
15baa48b1
hex7f3b5f5

133412341 has 4 divisors (see below), whose sum is σ = 133894252. Its totient is φ = 132930432.

The previous prime is 133412333. The next prime is 133412347. The reversal of 133412341 is 143214331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143214331 = 1311016487.

It can be written as a sum of positive squares in 2 ways, for example, as 19989841 + 113422500 = 4471^2 + 10650^2 .

It is a cyclic number.

It is not a de Polignac number, because 133412341 - 23 = 133412333 is a prime.

It is a super-2 number, since 2×1334123412 = 35597705462200562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133412347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240540 + ... + 241093.

It is an arithmetic number, because the mean of its divisors is an integer number (33473563).

Almost surely, 2133412341 is an apocalyptic number.

It is an amenable number.

133412341 is a deficient number, since it is larger than the sum of its proper divisors (481911).

133412341 is an equidigital number, since it uses as much as digits as its factorization.

133412341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481910.

The product of its digits is 864, while the sum is 22.

The square root of 133412341 is about 11550.4260094596. The cubic root of 133412341 is about 510.9738422048.

Adding to 133412341 its reverse (143214331), we get a palindrome (276626672).

The spelling of 133412341 in words is "one hundred thirty-three million, four hundred twelve thousand, three hundred forty-one".

Divisors: 1 277 481633 133412341