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52170235 = 5134717077
BaseRepresentation
bin1100011100000…
…0110111111011
310122011112002221
43013000313323
5101323421420
65102104511
71202303545
oct307006773
9118145087
1052170235
11274a32a7
121557b137
13aa68180
146d00695
1548a7caa
hex31c0dfb

52170235 has 16 divisors (see below), whose sum is σ = 68858496. Its totient is φ = 37703808.

The previous prime is 52170227. The next prime is 52170271. The reversal of 52170235 is 53207125.

It is a cyclic number.

It is not a de Polignac number, because 52170235 - 23 = 52170227 is a prime.

It is a super-3 number, since 3×521702353 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5484 + ... + 11593.

It is an arithmetic number, because the mean of its divisors is an integer number (4303656).

Almost surely, 252170235 is an apocalyptic number.

52170235 is a deficient number, since it is larger than the sum of its proper divisors (16688261).

52170235 is a wasteful number, since it uses less digits than its factorization.

52170235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17142.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 52170235 is about 7222.8965796279. The cubic root of 52170235 is about 373.6579822910.

It can be divided in two parts, 521 and 70235, that added together give a square (70756 = 2662).

The spelling of 52170235 in words is "fifty-two million, one hundred seventy thousand, two hundred thirty-five".

Divisors: 1 5 13 47 65 235 611 3055 17077 85385 222001 802619 1110005 4013095 10434047 52170235