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30222044 = 223725519
BaseRepresentation
bin111001101001…
…0011011011100
32002212102211222
41303102123130
530214101134
62555432512
7514611626
oct163223334
962772758
1030222044
11160722a6
12a155738
136352088
144029c16
1529bea2e
hex1cd26dc

30222044 has 18 divisors (see below), whose sum is σ = 54366480. Its totient is φ = 14699952.

The previous prime is 30222041. The next prime is 30222109. The reversal of 30222044 is 44022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2717 + ... + 8235.

It is an arithmetic number, because the mean of its divisors is an integer number (3020360).

Almost surely, 230222044 is an apocalyptic number.

It is an amenable number.

30222044 is a deficient number, since it is larger than the sum of its proper divisors (24144436).

30222044 is a wasteful number, since it uses less digits than its factorization.

30222044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5597 (or 5558 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 30222044 is about 5497.4579580020. The cubic root of 30222044 is about 311.4879696003.

Adding to 30222044 its reverse (44022203), we get a palindrome (74244247).

The spelling of 30222044 in words is "thirty million, two hundred twenty-two thousand, forty-four".

Divisors: 1 2 4 37 74 148 1369 2738 5476 5519 11038 22076 204203 408406 816812 7555511 15111022 30222044