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30242226 = 237720053
BaseRepresentation
bin111001101011…
…1010110110010
32002220110112110
41303113112302
530220222401
63000110150
7515024520
oct163272662
962813473
1030242226
1116086483
12a165356
13635b311
144033310
1529c59d6
hex1cd75b2

30242226 has 16 divisors (see below), whose sum is σ = 69125184. Its totient is φ = 8640624.

The previous prime is 30242207. The next prime is 30242231. The reversal of 30242226 is 62224203.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359985 + ... + 360068.

It is an arithmetic number, because the mean of its divisors is an integer number (4320324).

Almost surely, 230242226 is an apocalyptic number.

30242226 is an abundant number, since it is smaller than the sum of its proper divisors (38882958).

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

30242226 is a wasteful number, since it uses less digits than its factorization.

30242226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720065.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 30242226 is about 5499.2932273157. The cubic root of 30242226 is about 311.5572904287.

Adding to 30242226 its reverse (62224203), we get a palindrome (92466429).

The spelling of 30242226 in words is "thirty million, two hundred forty-two thousand, two hundred twenty-six".

Divisors: 1 2 3 6 7 14 21 42 720053 1440106 2160159 4320318 5040371 10080742 15121113 30242226