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30061110 = 23529109317
BaseRepresentation
bin111001010101…
…1001000110110
32002120021002110
41302223020312
530143423420
62552151450
7513341502
oct162531066
962507073
1030061110
1115a723a2
12a098586
1362c6a51
143dc7302
15298bee0
hex1cab236

30061110 has 64 divisors (see below), whose sum is σ = 75556800. Its totient is φ = 7644672.

The previous prime is 30061079. The next prime is 30061111. The reversal of 30061110 is 1116003.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30061111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94672 + ... + 94988.

It is an arithmetic number, because the mean of its divisors is an integer number (1180575).

Almost surely, 230061110 is an apocalyptic number.

30061110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30061110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37778400).

30061110 is an abundant number, since it is smaller than the sum of its proper divisors (45495690).

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

30061110 is a wasteful number, since it uses less digits than its factorization.

30061110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 30061110 is about 5482.8012913109. The cubic root of 30061110 is about 310.9340885883.

Adding to 30061110 its reverse (1116003), we get a palindrome (31177113).

The spelling of 30061110 in words is "thirty million, sixty-one thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 109 145 174 218 290 317 327 435 545 634 654 870 951 1090 1585 1635 1902 3161 3170 3270 4755 6322 9193 9483 9510 15805 18386 18966 27579 31610 34553 45965 47415 55158 69106 91930 94830 103659 137895 172765 207318 275790 345530 518295 1002037 1036590 2004074 3006111 5010185 6012222 10020370 15030555 30061110