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30268054 = 229677789
BaseRepresentation
bin111001101110…
…1101010010110
32002221202222001
41303131222112
530222034204
63000425514
7515163025
oct163355226
962852861
1030268054
11160a3923
12a17829a
136369cbb
14403c8bc
1529cd4a4
hex1cdda96

30268054 has 16 divisors (see below), whose sum is σ = 47674800. Its totient is φ = 14392224.

The previous prime is 30268033. The next prime is 30268057. The reversal of 30268054 is 45086203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30268057) 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, 9 + ... + 7780.

It is an arithmetic number, because the mean of its divisors is an integer number (2979675).

Almost surely, 230268054 is an apocalyptic number.

30268054 is a deficient number, since it is larger than the sum of its proper divisors (17406746).

30268054 is a wasteful number, since it uses less digits than its factorization.

30268054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7887.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 30268054 is about 5501.6410279116. The cubic root of 30268054 is about 311.6459590781.

The spelling of 30268054 in words is "thirty million, two hundred sixty-eight thousand, fifty-four".

Divisors: 1 2 29 58 67 134 1943 3886 7789 15578 225881 451762 521863 1043726 15134027 30268054