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88986513 = 3711385223
BaseRepresentation
bin1010100110111…
…01001110010001
320012102222112210
411103131032101
5140240032023
612455142333
72130241620
oct523351621
9205388483
1088986513
1146259980
12259749a9
1315588855
14bb656b7
157c2b593
hex54dd391

88986513 has 16 divisors (see below), whose sum is σ = 147926016. Its totient is φ = 46226640.

The previous prime is 88986511. The next prime is 88986553. The reversal of 88986513 is 31568988.

It is not a de Polignac number, because 88986513 - 21 = 88986511 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88986511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192381 + ... + 192842.

It is an arithmetic number, because the mean of its divisors is an integer number (9245376).

Almost surely, 288986513 is an apocalyptic number.

It is an amenable number.

88986513 is a deficient number, since it is larger than the sum of its proper divisors (58939503).

88986513 is a wasteful number, since it uses less digits than its factorization.

88986513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385244.

The product of its digits is 414720, while the sum is 48.

The square root of 88986513 is about 9433.2662954037. The cubic root of 88986513 is about 446.4519556038.

The spelling of 88986513 in words is "eighty-eight million, nine hundred eighty-six thousand, five hundred thirteen".

Divisors: 1 3 7 11 21 33 77 231 385223 1155669 2696561 4237453 8089683 12712359 29662171 88986513