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52474249 = 792932267
BaseRepresentation
bin1100100000101…
…1000110001001
310122201222010201
43020023012021
5101413133444
65112412201
71205011102
oct310130611
9118658121
1052474249
1127690753
12156a7061
13ab43669
146d7d3a9
154917dd4
hex320b189

52474249 has 8 divisors (see below), whose sum is σ = 53343360. Its totient is φ = 51610416.

The previous prime is 52474243. The next prime is 52474259. The reversal of 52474249 is 94247425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52474249 - 29 = 52473737 is a prime.

It is a super-2 number, since 2×524742492 = 5507093616228002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52474243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22014 + ... + 24280.

It is an arithmetic number, because the mean of its divisors is an integer number (6667920).

Almost surely, 252474249 is an apocalyptic number.

It is an amenable number.

52474249 is a deficient number, since it is larger than the sum of its proper divisors (869111).

52474249 is a wasteful number, since it uses less digits than its factorization.

52474249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639.

The product of its digits is 80640, while the sum is 37.

The square root of 52474249 is about 7243.9111673184. The cubic root of 52474249 is about 374.3823884113.

It can be divided in two parts, 5247 and 4249, that multiplied together give a triangular number (22294503 = T6677).

The spelling of 52474249 in words is "fifty-two million, four hundred seventy-four thousand, two hundred forty-nine".

Divisors: 1 79 293 2267 23147 179093 664231 52474249