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75001417 = 194391801
BaseRepresentation
bin1000111100001…
…10111001001001
312020010110121021
410132012321021
5123200021132
611235312441
71600334011
oct436067111
9166113537
1075001417
1139377747
122114b721
131270014a
149d64c41
1568b7997
hex4786e49

75001417 has 8 divisors (see below), whose sum is σ = 80785760. Its totient is φ = 69400800.

The previous prime is 75001403. The next prime is 75001439. The reversal of 75001417 is 71410057.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-75001417 is a prime.

It is a super-3 number, since 3×750014173 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75001391 and 75001400.

It is not an unprimeable number, because it can be changed into a prime (75001477) 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 7 ways as a sum of consecutive naturals, for example, 45084 + ... + 46717.

It is an arithmetic number, because the mean of its divisors is an integer number (10098220).

Almost surely, 275001417 is an apocalyptic number.

It is an amenable number.

75001417 is a deficient number, since it is larger than the sum of its proper divisors (5784343).

75001417 is a wasteful number, since it uses less digits than its factorization.

75001417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91863.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 75001417 is about 8660.3358479911. The cubic root of 75001417 is about 421.7189885099.

The spelling of 75001417 in words is "seventy-five million, one thousand, four hundred seventeen".

Divisors: 1 19 43 817 91801 1744219 3947443 75001417