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30261112 = 237540377
BaseRepresentation
bin111001101101…
…1111101111000
32002221102102221
41303123331320
530221323422
63000333424
7515133550
oct163337570
962842387
1030261112
1116099692
12a174274
136366aab
14403a160
1529cb3c7
hex1cdbf78

30261112 has 16 divisors (see below), whose sum is σ = 64845360. Its totient is φ = 12969024.

The previous prime is 30261109. The next prime is 30261149. The reversal of 30261112 is 21116203.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 270133 + ... + 270244.

It is an arithmetic number, because the mean of its divisors is an integer number (4052835).

Almost surely, 230261112 is an apocalyptic number.

It is an amenable number.

30261112 is an abundant number, since it is smaller than the sum of its proper divisors (34584248).

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

30261112 is a wasteful number, since it uses less digits than its factorization.

30261112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540390 (or 540386 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 30261112 is about 5501.0100890655. The cubic root of 30261112 is about 311.6221318479.

Adding to 30261112 its reverse (21116203), we get a palindrome (51377315).

The spelling of 30261112 in words is "thirty million, two hundred sixty-one thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 540377 1080754 2161508 3782639 4323016 7565278 15130556 30261112