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74146133 = 84198807
BaseRepresentation
bin1000110101101…
…10000101010101
312011112000101002
410122312011111
5122440134013
611205113045
71560142325
oct432660525
9164460332
1074146133
11389430a6
12209b8785
1312490a69
149bc1285
156799358
hex46b6155

74146133 has 4 divisors (see below), whose sum is σ = 74163360. Its totient is φ = 74128908.

The previous prime is 74146117. The next prime is 74146139. The reversal of 74146133 is 33164147.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 74146133 - 24 = 74146117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74146096 and 74146105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74146139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4016 + ... + 12822.

It is an arithmetic number, because the mean of its divisors is an integer number (18540840).

Almost surely, 274146133 is an apocalyptic number.

It is an amenable number.

74146133 is a deficient number, since it is larger than the sum of its proper divisors (17227).

74146133 is an equidigital number, since it uses as much as digits as its factorization.

74146133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17226.

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

The square root of 74146133 is about 8610.8148859443. The cubic root of 74146133 is about 420.1098219992.

The spelling of 74146133 in words is "seventy-four million, one hundred forty-six thousand, one hundred thirty-three".

Divisors: 1 8419 8807 74146133