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30540022 = 2313713313
BaseRepresentation
bin111010010000…
…0000011110110
32010110121000221
41310200003312
530304240042
63010324554
7520404652
oct164400366
963417027
1030540022
111626a197
12a28975a
136433a26
1440ada62
152a33d67
hex1d200f6

30540022 has 16 divisors (see below), whose sum is σ = 48569472. Its totient is φ = 14376960.

The previous prime is 30540017. The next prime is 30540079. The reversal of 30540022 is 22004503.

It is a junction number, because it is equal to n+sod(n) for n = 30539978 and 30540005.

It is a congruent number.

It is an unprimeable number.

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, 4363 + ... + 8950.

It is an arithmetic number, because the mean of its divisors is an integer number (3035592).

Almost surely, 230540022 is an apocalyptic number.

30540022 is a deficient number, since it is larger than the sum of its proper divisors (18029450).

30540022 is a wasteful number, since it uses less digits than its factorization.

30540022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13383.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 30540022 is about 5526.3027423405. The cubic root of 30540022 is about 312.5765896540.

Adding to 30540022 its reverse (22004503), we get a palindrome (52544525).

The spelling of 30540022 in words is "thirty million, five hundred forty thousand, twenty-two".

Divisors: 1 2 31 37 62 74 1147 2294 13313 26626 412703 492581 825406 985162 15270011 30540022