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75121334 = 2172209451
BaseRepresentation
bin1000111101001…
…00001010110110
312020100120002122
410132210022312
5123212340314
611242035542
71601343431
oct436441266
9166316078
1075121334
1139449852
12211a8bb2
13127428c2
149d96818
1568dd28e
hex47a42b6

75121334 has 8 divisors (see below), whose sum is σ = 119310408. Its totient is φ = 35351200.

The previous prime is 75121327. The next prime is 75121363. The reversal of 75121334 is 43312157.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 1104692 + ... + 1104759.

It is an arithmetic number, because the mean of its divisors is an integer number (14913801).

Almost surely, 275121334 is an apocalyptic number.

75121334 is a deficient number, since it is larger than the sum of its proper divisors (44189074).

75121334 is a wasteful number, since it uses less digits than its factorization.

75121334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209470.

The product of its digits is 2520, while the sum is 26.

The square root of 75121334 is about 8667.2564286515. The cubic root of 75121334 is about 421.9436258110.

The spelling of 75121334 in words is "seventy-five million, one hundred twenty-one thousand, three hundred thirty-four".

Divisors: 1 2 17 34 2209451 4418902 37560667 75121334