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87393033 = 3371335569
BaseRepresentation
bin1010011010110…
…00001100001001
320002110000201000
411031120030021
5134333034113
612401045213
72110554120
oct515301411
9202400630
1087393033
1145370752
1225326809
131514b470
14b86cab7
157a14373
hex5358309

87393033 has 32 divisors (see below), whose sum is σ = 159353600. Its totient is φ = 46096128.

The previous prime is 87393029. The next prime is 87393049. The reversal of 87393033 is 33039378.

It is a happy number.

It is not a de Polignac number, because 87393033 - 22 = 87393029 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87393013) 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 31 ways as a sum of consecutive naturals, for example, 15328 + ... + 20241.

It is an arithmetic number, because the mean of its divisors is an integer number (4979800).

Almost surely, 287393033 is an apocalyptic number.

It is an amenable number.

87393033 is a deficient number, since it is larger than the sum of its proper divisors (71960567).

87393033 is a wasteful number, since it uses less digits than its factorization.

87393033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35598 (or 35592 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 87393033 is about 9348.4240917922. The cubic root of 87393033 is about 443.7710196219.

The spelling of 87393033 in words is "eighty-seven million, three hundred ninety-three thousand, thirty-three".

Divisors: 1 3 7 9 13 21 27 39 63 91 117 189 273 351 819 2457 35569 106707 248983 320121 462397 746949 960363 1387191 2240847 3236779 4161573 6722541 9710337 12484719 29131011 87393033