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75030017 = 673373323
BaseRepresentation
bin1000111100011…
…01111000000001
312020011220211112
410132031320001
5123201430032
611240053105
71600513256
oct436157001
9166156745
1075030017
1139397187
1221164195
131271017a
149d7142d
1568c11b2
hex478de01

75030017 has 8 divisors (see below), whose sum is σ = 76398816. Its totient is φ = 73668672.

The previous prime is 75029947. The next prime is 75030023. The reversal of 75030017 is 71003057.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 75030017 - 218 = 74767873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75029974 and 75030001.

It is not an unprimeable number, because it can be changed into a prime (75030037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20918 + ... + 24240.

It is an arithmetic number, because the mean of its divisors is an integer number (9549852).

Almost surely, 275030017 is an apocalyptic number.

It is an amenable number.

75030017 is a deficient number, since it is larger than the sum of its proper divisors (1368799).

75030017 is a wasteful number, since it uses less digits than its factorization.

75030017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727.

The product of its (nonzero) digits is 735, while the sum is 23.

The square root of 75030017 is about 8661.9868967807. The cubic root of 75030017 is about 421.7725858542.

The spelling of 75030017 in words is "seventy-five million, thirty thousand, seventeen".

Divisors: 1 67 337 3323 22579 222641 1119851 75030017