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75166 = 2721359
BaseRepresentation
bin10010010110011110
310211002221
4102112132
54401131
61335554
7432100
oct222636
9124087
1075166
1151523
12375ba
13282a0
141d570
1517411
hex1259e

75166 has 24 divisors (see below), whose sum is σ = 143640. Its totient is φ = 29232.

The previous prime is 75161. The next prime is 75167. The reversal of 75166 is 66157.

It is a plaindrome in base 16.

It is a nialpdrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 75166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1245 + ... + 1303.

It is an arithmetic number, because the mean of its divisors is an integer number (5985).

275166 is an apocalyptic number.

75166 is a deficient number, since it is larger than the sum of its proper divisors (68474).

75166 is a wasteful number, since it uses less digits than its factorization.

75166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 81 counting only the distinct ones).

The product of its digits is 1260, while the sum is 25.

The square root of 75166 is about 274.1641843859. The cubic root of 75166 is about 42.2027236325.

Subtracting from 75166 its reverse (66157), we obtain a palindrome (9009).

The spelling of 75166 in words is "seventy-five thousand, one hundred sixty-six".

Divisors: 1 2 7 13 14 26 49 59 91 98 118 182 413 637 767 826 1274 1534 2891 5369 5782 10738 37583 75166