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74124461 = 216134301
BaseRepresentation
bin1000110101100…
…00110010101101
312011110220122102
410122300302231
5122433440321
611204424445
71560022205
oct432606255
9164426572
1074124461
1138928894
12209a8125
1312483c38
149bb7405
156792c0b
hex46b0cad

74124461 has 4 divisors (see below), whose sum is σ = 74160924. Its totient is φ = 74088000.

The previous prime is 74124443. The next prime is 74124481. The reversal of 74124461 is 16442147.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24068836 + 50055625 = 4906^2 + 7075^2 .

It is a cyclic number.

It is not a de Polignac number, because 74124461 - 210 = 74123437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74124481) 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, 14990 + ... + 19311.

It is an arithmetic number, because the mean of its divisors is an integer number (18540231).

Almost surely, 274124461 is an apocalyptic number.

It is an amenable number.

74124461 is a deficient number, since it is larger than the sum of its proper divisors (36463).

74124461 is a wasteful number, since it uses less digits than its factorization.

74124461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36462.

The product of its digits is 5376, while the sum is 29.

The square root of 74124461 is about 8609.5563764923. The cubic root of 74124461 is about 420.0688870379.

The spelling of 74124461 in words is "seventy-four million, one hundred twenty-four thousand, four hundred sixty-one".

Divisors: 1 2161 34301 74124461