Search a number
-
+
133647041 = 113100411
BaseRepresentation
bin1111111011101…
…00101011000001
3100022110222021102
413331310223001
5233203201131
621132304145
73211660343
oct775645301
9308428242
10133647041
1169493000
1238912055
13218c47b8
1413a6d293
15baee1cb
hex7f74ac1

133647041 has 8 divisors (see below), whose sum is σ = 147003168. Its totient is φ = 121496100.

The previous prime is 133647037. The next prime is 133647049. The reversal of 133647041 is 140746331.

It is not a de Polignac number, because 133647041 - 22 = 133647037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133646995 and 133647013.

It is not an unprimeable number, because it can be changed into a prime (133647049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48875 + ... + 51536.

It is an arithmetic number, because the mean of its divisors is an integer number (18375396).

Almost surely, 2133647041 is an apocalyptic number.

133647041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133647041 is a deficient number, since it is larger than the sum of its proper divisors (13356127).

133647041 is an equidigital number, since it uses as much as digits as its factorization.

133647041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100444 (or 100422 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 133647041 is about 11560.5813435138. The cubic root of 133647041 is about 511.2733030190.

The spelling of 133647041 in words is "one hundred thirty-three million, six hundred forty-seven thousand, forty-one".

Divisors: 1 11 121 1331 100411 1104521 12149731 133647041