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5438535587 = 2353101163271
BaseRepresentation
bin1010001000010100…
…10111011110100011
3112001000120020021222
411010022113132203
542114231114322
62255354405255
7251525534612
oct50412273643
915030506258
105438535587
112340a03311
12107943082b
136889732c4
14398417879
1521c6cce42
hex1442977a3

5438535587 has 32 divisors (see below), whose sum is σ = 5896820736. Its totient is φ = 5003856000.

The previous prime is 5438535563. The next prime is 5438535593. The reversal of 5438535587 is 7855358345.

It is a cyclic number.

It is not a de Polignac number, because 5438535587 - 218 = 5438273443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5438535187) 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, 20068262 + ... + 20068532.

It is an arithmetic number, because the mean of its divisors is an integer number (184275648).

Almost surely, 25438535587 is an apocalyptic number.

5438535587 is a deficient number, since it is larger than the sum of its proper divisors (458285149).

5438535587 is a wasteful number, since it uses less digits than its factorization.

5438535587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611.

The product of its digits is 10080000, while the sum is 53.

The square root of 5438535587 is about 73746.4276219533. The cubic root of 5438535587 is about 1758.5740415992.

The spelling of 5438535587 in words is "five billion, four hundred thirty-eight million, five hundred thirty-five thousand, five hundred eighty-seven".

Divisors: 1 23 53 101 163 271 1219 2323 3749 5353 6233 8639 14363 16463 27371 44173 123119 198697 330349 378649 629533 872539 1015979 1450663 2341169 4461473 20068397 33365249 53846887 102613879 236458069 5438535587