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90827230 = 25132337821
BaseRepresentation
bin1010110100111…
…10100111011110
320022220111112111
411122132213132
5141222432410
613002424234
72152006264
oct532364736
9208814474
1090827230
11472a692a
122650207a
1315a81630
14c0c4434
157e91b8a
hex569e9de

90827230 has 64 divisors (see below), whose sum is σ = 188915328. Its totient is φ = 31173120.

The previous prime is 90827227. The next prime is 90827237. The reversal of 90827230 is 3272809.

It is a junction number, because it is equal to n+sod(n) for n = 90827192 and 90827201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90827237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110220 + ... + 111040.

It is an arithmetic number, because the mean of its divisors is an integer number (2951802).

Almost surely, 290827230 is an apocalyptic number.

90827230 is an abundant number, since it is smaller than the sum of its proper divisors (98088098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90827230 is a wasteful number, since it uses less digits than its factorization.

With its successor (90827231) it forms an eRAP, since the sums of their prime factors are consecutive (901 and 902).

90827230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 90827230 is about 9530.3321033425. The cubic root of 90827230 is about 449.5093087539.

The spelling of 90827230 in words is "ninety million, eight hundred twenty-seven thousand, two hundred thirty".

Divisors: 1 2 5 10 13 23 26 37 46 65 74 115 130 185 230 299 370 481 598 821 851 962 1495 1642 1702 2405 2990 4105 4255 4810 8210 8510 10673 11063 18883 21346 22126 30377 37766 53365 55315 60754 94415 106730 110630 151885 188830 245479 303770 394901 490958 698671 789802 1227395 1397342 1974505 2454790 3493355 3949010 6986710 9082723 18165446 45413615 90827230