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52438887 = 333124347
BaseRepresentation
bin1100100000001…
…0011101100111
310122200011122000
43020002131213
5101411021022
65111540343
71204503024
oct310023547
9118604560
1052438887
1127667126
121568a6b3
13ab30537
146d7054b
15490c6ac
hex3202767

52438887 has 48 divisors (see below), whose sum is σ = 83888640. Its totient is φ = 32341680.

The previous prime is 52438849. The next prime is 52438891. The reversal of 52438887 is 78883425.

It is not a de Polignac number, because 52438887 - 210 = 52437863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52438817) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1115698 + ... + 1115744.

It is an arithmetic number, because the mean of its divisors is an integer number (1747680).

Almost surely, 252438887 is an apocalyptic number.

52438887 is a deficient number, since it is larger than the sum of its proper divisors (31449753).

52438887 is a wasteful number, since it uses less digits than its factorization.

52438887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 124 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 52438887 is about 7241.4699474623. The cubic root of 52438887 is about 374.2982716921.

The spelling of 52438887 in words is "fifty-two million, four hundred thirty-eight thousand, eight hundred eighty-seven".

Divisors: 1 3 9 27 31 43 47 93 129 141 279 387 423 837 961 1161 1269 1333 1457 2021 2883 3999 4371 6063 8649 11997 13113 18189 25947 35991 39339 41323 45167 54567 62651 123969 135501 187953 371907 406503 563859 1115721 1219509 1691577 1942181 5826543 17479629 52438887