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74035143 = 3271390397
BaseRepresentation
bin1000110100110…
…10111111000111
312011022101010100
410122122333013
5122423111033
611202455143
71556200620
oct432327707
9164271110
1074035143
1138877776
12209644b3
13124523a0
149b92a47
156776513
hex469afc7

74035143 has 24 divisors (see below), whose sum is σ = 131619488. Its totient is φ = 39051072.

The previous prime is 74035139. The next prime is 74035163. The reversal of 74035143 is 34153047.

It is not a de Polignac number, because 74035143 - 22 = 74035139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74035103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44380 + ... + 46017.

Almost surely, 274035143 is an apocalyptic number.

74035143 is a deficient number, since it is larger than the sum of its proper divisors (57584345).

74035143 is a wasteful number, since it uses less digits than its factorization.

74035143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90423 (or 90420 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 74035143 is about 8604.3676699685. The cubic root of 74035143 is about 419.9000952853.

The spelling of 74035143 in words is "seventy-four million, thirty-five thousand, one hundred forty-three".

Divisors: 1 3 7 9 13 21 39 63 91 117 273 819 90397 271191 632779 813573 1175161 1898337 3525483 5695011 8226127 10576449 24678381 74035143