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60000090 = 2352000003
BaseRepresentation
bin1110010011100…
…0011101011010
311011220022122120
43210320131122
5110330000330
65542002110
71325664243
oct344703532
9134808576
1060000090
1130960a57
1218116336
13c57a017
147d7bcca
155402c10
hex393875a

60000090 has 16 divisors (see below), whose sum is σ = 144000288. Its totient is φ = 16000016.

The previous prime is 60000071. The next prime is 60000091. The reversal of 60000090 is 9000006.

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (15).

60000090 is a modest number, since divided by 90 gives 60 as remainder.

It is not an unprimeable number, because it can be changed into a prime (60000091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999972 + ... + 1000031.

It is an arithmetic number, because the mean of its divisors is an integer number (9000018).

Almost surely, 260000090 is an apocalyptic number.

60000090 is an abundant number, since it is smaller than the sum of its proper divisors (84000198).

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

60000090 is a wasteful number, since it uses less digits than its factorization.

60000090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000013.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 60000090 is about 7745.9725018877. The cubic root of 60000090 is about 391.4869598602.

Adding to 60000090 its reverse (9000006), we get a palindrome (69000096).

The spelling of 60000090 in words is "sixty million, ninety", and thus it is an aban number and an uban number.

Divisors: 1 2 3 5 6 10 15 30 2000003 4000006 6000009 10000015 12000018 20000030 30000045 60000090