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75414091 = 174436123
BaseRepresentation
bin1000111111010…
…11101001001011
312020220102200111
410133223221023
5123301222331
611252215151
71604003104
oct437535113
9166812614
1075414091
11396297a5
122130a4b7
1312815c2c
14a0313ab
156949db1
hex47eba4b

75414091 has 4 divisors (see below), whose sum is σ = 79850232. Its totient is φ = 70977952.

The previous prime is 75414083. The next prime is 75414121. The reversal of 75414091 is 19041457.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75414091 - 23 = 75414083 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75414011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2218045 + ... + 2218078.

It is an arithmetic number, because the mean of its divisors is an integer number (19962558).

Almost surely, 275414091 is an apocalyptic number.

75414091 is a deficient number, since it is larger than the sum of its proper divisors (4436141).

75414091 is a wasteful number, since it uses less digits than its factorization.

75414091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4436140.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 75414091 is about 8684.1286839844. The cubic root of 75414091 is about 422.4910372385.

The spelling of 75414091 in words is "seventy-five million, four hundred fourteen thousand, ninety-one".

Divisors: 1 17 4436123 75414091