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53118788 = 2214299293
BaseRepresentation
bin1100101010100…
…0011101000100
310200221201021112
43022220131010
5102044300123
65134304152
71213334162
oct312503504
9120851245
1053118788
1127a90a28
1215958058
13b00ab48
1470aa232
1549e3d78
hex32a8744

53118788 has 12 divisors (see below), whose sum is σ = 93032940. Its totient is φ = 26537952.

The previous prime is 53118781. The next prime is 53118839. The reversal of 53118788 is 88781135.

It can be written as a sum of positive squares in 2 ways, for example, as 3810304 + 49308484 = 1952^2 + 7022^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53118781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070 + ... + 10362.

It is an arithmetic number, because the mean of its divisors is an integer number (7752745).

Almost surely, 253118788 is an apocalyptic number.

It is an amenable number.

53118788 is a deficient number, since it is larger than the sum of its proper divisors (39914152).

53118788 is a wasteful number, since it uses less digits than its factorization.

53118788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10726 (or 10724 counting only the distinct ones).

The product of its digits is 53760, while the sum is 41.

The square root of 53118788 is about 7288.2637164142. The cubic root of 53118788 is about 375.9089960082.

The spelling of 53118788 in words is "fifty-three million, one hundred eighteen thousand, seven hundred eighty-eight".

Divisors: 1 2 4 1429 2858 5716 9293 18586 37172 13279697 26559394 53118788