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133412344 = 23133141381
BaseRepresentation
bin1111111001110…
…11010111111000
3100022001001022221
413330323113320
5233123143334
621123253424
73206662162
oct774732770
9308031287
10133412344
116934273a
123881a274
1321841a20
1413a0b932
15baa48b4
hex7f3b5f8

133412344 has 32 divisors (see below), whose sum is σ = 278087040. Its totient is φ = 59587200.

The previous prime is 133412333. The next prime is 133412347. The reversal of 133412344 is 443214331.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17467 + ... + 23914.

It is an arithmetic number, because the mean of its divisors is an integer number (8690220).

Almost surely, 2133412344 is an apocalyptic number.

It is an amenable number.

133412344 is an abundant number, since it is smaller than the sum of its proper divisors (144674696).

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

133412344 is a wasteful number, since it uses less digits than its factorization.

133412344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41431 (or 41427 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 133412344 is about 11550.4261393249. The cubic root of 133412344 is about 510.9738460349.

Adding to 133412344 its reverse (443214331), we get a palindrome (576626675).

The spelling of 133412344 in words is "one hundred thirty-three million, four hundred twelve thousand, three hundred forty-four".

Divisors: 1 2 4 8 13 26 31 52 62 104 124 248 403 806 1612 3224 41381 82762 165524 331048 537953 1075906 1282811 2151812 2565622 4303624 5131244 10262488 16676543 33353086 66706172 133412344