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30026886 = 2335314177
BaseRepresentation
bin111001010001…
…0110010000110
32002111112010220
41302202302012
530141330021
62551325210
7513136641
oct162426206
962445126
1030026886
1115a4970a
12a080806
1362b42b6
143db8a58
152981cc6
hex1ca2c86

30026886 has 16 divisors (see below), whose sum is σ = 60228144. Its totient is φ = 9979904.

The previous prime is 30026881. The next prime is 30026917. The reversal of 30026886 is 68862003.

It is a super-2 number, since 2×300268862 = 1803227765713992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30026881) 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 7 ways as a sum of consecutive naturals, for example, 4971 + ... + 9206.

It is an arithmetic number, because the mean of its divisors is an integer number (3764259).

Almost surely, 230026886 is an apocalyptic number.

30026886 is an abundant number, since it is smaller than the sum of its proper divisors (30201258).

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

30026886 is a wasteful number, since it uses less digits than its factorization.

30026886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14535.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 30026886 is about 5479.6793701822. The cubic root of 30026886 is about 310.8160462721.

Adding to 30026886 its reverse (68862003), we get a palindrome (98888889).

The spelling of 30026886 in words is "thirty million, twenty-six thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 353 706 1059 2118 14177 28354 42531 85062 5004481 10008962 15013443 30026886