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52642437 = 363127809
BaseRepresentation
bin1100100011010…
…0001010000101
310200001111211220
43020310022011
5101434024222
65120150553
71206311331
oct310641205
9120044756
1052642437
1127796051
1215768459
13aba2093
146dc47c1
15494cb5c
hex3234285

52642437 has 8 divisors (see below), whose sum is σ = 70303680. Its totient is φ = 35038080.

The previous prime is 52642427. The next prime is 52642441. The reversal of 52642437 is 73424625.

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

It is not a de Polignac number, because 52642437 - 211 = 52640389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52642398 and 52642407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52642427) 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, 12012 + ... + 15797.

It is an arithmetic number, because the mean of its divisors is an integer number (8787960).

Almost surely, 252642437 is an apocalyptic number.

It is an amenable number.

52642437 is a deficient number, since it is larger than the sum of its proper divisors (17661243).

52642437 is a wasteful number, since it uses less digits than its factorization.

52642437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28443.

The product of its digits is 40320, while the sum is 33.

The square root of 52642437 is about 7255.5108021421. The cubic root of 52642437 is about 374.7819461201.

The spelling of 52642437 in words is "fifty-two million, six hundred forty-two thousand, four hundred thirty-seven".

Divisors: 1 3 631 1893 27809 83427 17547479 52642437