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52121043 = 3313163911
BaseRepresentation
bin1100011011010…
…0110111010011
310122002000122000
43012310313103
5101320333133
65101045043
71202010252
oct306646723
9118060560
1052121043
112746a347
1215556783
13aa4b970
146cca799
154898413
hex31b4dd3

52121043 has 32 divisors (see below), whose sum is σ = 83758080. Its totient is φ = 31842720.

The previous prime is 52121021. The next prime is 52121053. The reversal of 52121043 is 34012125.

It is not a de Polignac number, because 52121043 - 25 = 52121011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52121053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56758 + ... + 57668.

It is an arithmetic number, because the mean of its divisors is an integer number (2617440).

Almost surely, 252121043 is an apocalyptic number.

52121043 is a deficient number, since it is larger than the sum of its proper divisors (31637037).

52121043 is a wasteful number, since it uses less digits than its factorization.

52121043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 52121043 is about 7219.4904944878. The cubic root of 52121043 is about 373.5405030188.

Adding to 52121043 its reverse (34012125), we get a palindrome (86133168).

The spelling of 52121043 in words is "fifty-two million, one hundred twenty-one thousand, forty-three".

Divisors: 1 3 9 13 27 39 117 163 351 489 911 1467 2119 2733 4401 6357 8199 11843 19071 24597 35529 57213 106587 148493 319761 445479 1336437 1930409 4009311 5791227 17373681 52121043