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52171248 = 2431086901
BaseRepresentation
bin1100011100000…
…1000111110000
310122011120111110
43013001013300
5101323434443
65102113320
71202306523
oct307010760
9118146443
1052171248
11274a4038
121557b840
13aa6877c
146d00bba
1548a8233
hex31c11f0

52171248 has 20 divisors (see below), whose sum is σ = 134775848. Its totient is φ = 17390400.

The previous prime is 52171241. The next prime is 52171253. The reversal of 52171248 is 84217125.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52171241) 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, 543403 + ... + 543498.

Almost surely, 252171248 is an apocalyptic number.

It is an amenable number.

52171248 is an abundant number, since it is smaller than the sum of its proper divisors (82604600).

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

52171248 is a wasteful number, since it uses less digits than its factorization.

52171248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086912 (or 1086906 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 52171248 is about 7222.9667035090. The cubic root of 52171248 is about 373.6604007395.

The spelling of 52171248 in words is "fifty-two million, one hundred seventy-one thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1086901 2173802 3260703 4347604 6521406 8695208 13042812 17390416 26085624 52171248