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52176081 = 317392027
BaseRepresentation
bin1100011100001…
…0010011010001
310122011211010110
43013002103101
5101324113311
65102151533
71202326566
oct307022321
9118154113
1052176081
11274a7731
12155825a9
13aa6aa29
146d0286d
1548a98a6
hex31c24d1

52176081 has 4 divisors (see below), whose sum is σ = 69568112. Its totient is φ = 34784052.

The previous prime is 52176079. The next prime is 52176107. The reversal of 52176081 is 18067125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52176081 - 21 = 52176079 is a prime.

It is a super-2 number, since 2×521760812 = 5444686857037122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52176881) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8696011 + ... + 8696016.

It is an arithmetic number, because the mean of its divisors is an integer number (17392028).

Almost surely, 252176081 is an apocalyptic number.

It is an amenable number.

52176081 is a deficient number, since it is larger than the sum of its proper divisors (17392031).

52176081 is a wasteful number, since it uses less digits than its factorization.

52176081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17392030.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 52176081 is about 7223.3012535820. The cubic root of 52176081 is about 373.6719386717.

The spelling of 52176081 in words is "fifty-two million, one hundred seventy-six thousand, eighty-one".

Divisors: 1 3 17392027 52176081