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74130589 = 135702353
BaseRepresentation
bin1000110101100…
…10010010011101
312011111020001101
410122302102131
5122434134324
611204513101
71560046111
oct432622235
9164436041
1074130589
1138932455
12209ab791
1312486970
149bb9741
156794944
hex46b249d

74130589 has 4 divisors (see below), whose sum is σ = 79832956. Its totient is φ = 68428224.

The previous prime is 74130577. The next prime is 74130593. The reversal of 74130589 is 98503147.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98503147 = 193510379.

It can be written as a sum of positive squares in 2 ways, for example, as 28676025 + 45454564 = 5355^2 + 6742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74130589 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 (74130559) 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, 2851164 + ... + 2851189.

It is an arithmetic number, because the mean of its divisors is an integer number (19958239).

Almost surely, 274130589 is an apocalyptic number.

It is an amenable number.

74130589 is a deficient number, since it is larger than the sum of its proper divisors (5702367).

74130589 is a wasteful number, since it uses less digits than its factorization.

74130589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5702366.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 74130589 is about 8609.9122527468. The cubic root of 74130589 is about 420.0804626643.

The spelling of 74130589 in words is "seventy-four million, one hundred thirty thousand, five hundred eighty-nine".

Divisors: 1 13 5702353 74130589