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74938135 = 537405071
BaseRepresentation
bin1000111011101…
…11011100010111
312020000020210111
410131313130113
5123141010020
611234103451
71566651346
oct435673427
9166006714
1074938135
1139334148
122111ab87
13126aa3bc
149d49b5d
1568a3d5a
hex4777717

74938135 has 8 divisors (see below), whose sum is σ = 92356416. Its totient is φ = 58330080.

The previous prime is 74938133. The next prime is 74938139. The reversal of 74938135 is 53183947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74938135 - 21 = 74938133 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 (74938133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202351 + ... + 202720.

It is an arithmetic number, because the mean of its divisors is an integer number (11544552).

Almost surely, 274938135 is an apocalyptic number.

74938135 is a deficient number, since it is larger than the sum of its proper divisors (17418281).

74938135 is a wasteful number, since it uses less digits than its factorization.

74938135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405113.

The product of its digits is 90720, while the sum is 40.

The square root of 74938135 is about 8656.6815235401. The cubic root of 74938135 is about 421.6003475057.

The spelling of 74938135 in words is "seventy-four million, nine hundred thirty-eight thousand, one hundred thirty-five".

Divisors: 1 5 37 185 405071 2025355 14987627 74938135