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75106907 = 373201359
BaseRepresentation
bin1000111101000…
…00101001011011
312020022211022022
410132200221123
5123211410112
611241445055
71601253401
oct436405133
9166284268
1075106907
1139439a27
12211a078b
1312739175
149d91471
1568d8d72
hex47a0a5b

75106907 has 4 divisors (see below), whose sum is σ = 75308640. Its totient is φ = 74905176.

The previous prime is 75106903. The next prime is 75106909. The reversal of 75106907 is 70960157.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70960157 = 132153717.

It is a cyclic number.

It is not a de Polignac number, because 75106907 - 22 = 75106903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75106903) 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, 100307 + ... + 101052.

It is an arithmetic number, because the mean of its divisors is an integer number (18827160).

Almost surely, 275106907 is an apocalyptic number.

75106907 is a deficient number, since it is larger than the sum of its proper divisors (201733).

75106907 is a wasteful number, since it uses less digits than its factorization.

75106907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201732.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 75106907 is about 8666.4241184009. The cubic root of 75106907 is about 421.9166127549.

The spelling of 75106907 in words is "seventy-five million, one hundred six thousand, nine hundred seven".

Divisors: 1 373 201359 75106907