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52470237 = 317490079
BaseRepresentation
bin1100100000101…
…0000111011101
310122201202122010
43020022013131
5101413021422
65112341433
71204663311
oct310120735
9118652563
1052470237
1127688736
12156a4879
13ab418a1
146d7bb41
154916b0c
hex320a1dd

52470237 has 4 divisors (see below), whose sum is σ = 69960320. Its totient is φ = 34980156.

The previous prime is 52470233. The next prime is 52470247. The reversal of 52470237 is 73207425.

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 52470237 - 22 = 52470233 is a prime.

It is a super-3 number, since 3×524702373 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52470233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8745037 + ... + 8745042.

It is an arithmetic number, because the mean of its divisors is an integer number (17490080).

Almost surely, 252470237 is an apocalyptic number.

It is an amenable number.

52470237 is a deficient number, since it is larger than the sum of its proper divisors (17490083).

52470237 is a wasteful number, since it uses less digits than its factorization.

52470237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17490082.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 52470237 is about 7243.6342397998. The cubic root of 52470237 is about 374.3728468396.

The spelling of 52470237 in words is "fifty-two million, four hundred seventy thousand, two hundred thirty-seven".

Divisors: 1 3 17490079 52470237