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75170130 = 2357596067
BaseRepresentation
bin1000111101100…
…00000101010010
312020110001000220
410132300011102
5123220421010
611243053510
71601635620
oct436600522
9166401026
1075170130
1139482482
1221211296
131275bb89
149daa510
1568ec970
hex47b0152

75170130 has 64 divisors (see below), whose sum is σ = 209710080. Its totient is φ = 16887744.

The previous prime is 75170129. The next prime is 75170143. The reversal of 75170130 is 3107157.

It is a self number, because there is not a number n which added to its sum of digits gives 75170130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9357 + ... + 15423.

It is an arithmetic number, because the mean of its divisors is an integer number (3276720).

Almost surely, 275170130 is an apocalyptic number.

75170130 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 75170130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104855040).

75170130 is an abundant number, since it is smaller than the sum of its proper divisors (134539950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75170130 is a wasteful number, since it uses less digits than its factorization.

75170130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6143.

The product of its (nonzero) digits is 735, while the sum is 24.

The square root of 75170130 is about 8670.0709339659. The cubic root of 75170130 is about 422.0349656195.

Adding to 75170130 its reverse (3107157), we get a palindrome (78277287).

The spelling of 75170130 in words is "seventy-five million, one hundred seventy thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 59 70 105 118 177 210 295 354 413 590 826 885 1239 1770 2065 2478 4130 6067 6195 12134 12390 18201 30335 36402 42469 60670 84938 91005 127407 182010 212345 254814 357953 424690 637035 715906 1073859 1274070 1789765 2147718 2505671 3579530 5011342 5369295 7517013 10738590 12528355 15034026 25056710 37585065 75170130