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74056141 = 154947809
BaseRepresentation
bin1000110101000…
…00000111001101
312011100102221001
410122200013031
5122424244031
611203140301
71556316055
oct432400715
9164312831
1074056141
1138891525
1220974691
131245bb03
149b9a565
15677c861
hex46a01cd

74056141 has 4 divisors (see below), whose sum is σ = 74105500. Its totient is φ = 74006784.

The previous prime is 74056139. The next prime is 74056181. The reversal of 74056141 is 14165047.

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 12888100 + 61168041 = 3590^2 + 7821^2 .

It is a cyclic number.

It is not a de Polignac number, because 74056141 - 21 = 74056139 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 (74056121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22356 + ... + 25453.

It is an arithmetic number, because the mean of its divisors is an integer number (18526375).

Almost surely, 274056141 is an apocalyptic number.

It is an amenable number.

74056141 is a deficient number, since it is larger than the sum of its proper divisors (49359).

74056141 is a wasteful number, since it uses less digits than its factorization.

74056141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49358.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 74056141 is about 8605.5877777175. The cubic root of 74056141 is about 419.9397891767.

The spelling of 74056141 in words is "seventy-four million, fifty-six thousand, one hundred forty-one".

Divisors: 1 1549 47809 74056141