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30010442 = 273114197
BaseRepresentation
bin111001001111…
…0110001001010
32002110200120212
41302132301022
530140313232
62551121122
7513041000
oct162366112
962420525
1030010442
1115a38320
12a0731a2
1362a9977
143db2a70
15297beb2
hex1c9ec4a

30010442 has 64 divisors (see below), whose sum is σ = 59270400. Its totient is φ = 11289600.

The previous prime is 30010417. The next prime is 30010451. The reversal of 30010442 is 24401003.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309338 + ... + 309434.

It is an arithmetic number, because the mean of its divisors is an integer number (926100).

Almost surely, 230010442 is an apocalyptic number.

30010442 is a deficient number, since it is larger than the sum of its proper divisors (29259958).

30010442 is a wasteful number, since it uses less digits than its factorization.

30010442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 30010442 is about 5478.1787119443. The cubic root of 30010442 is about 310.7592972155.

Adding to 30010442 its reverse (24401003), we get a palindrome (54411445).

The spelling of 30010442 in words is "thirty million, ten thousand, four hundred forty-two".

Divisors: 1 2 7 11 14 22 41 49 77 82 97 98 154 194 287 343 451 539 574 679 686 902 1067 1078 1358 2009 2134 3157 3773 3977 4018 4753 6314 7469 7546 7954 9506 14063 14938 22099 27839 28126 33271 43747 44198 52283 55678 66542 87494 104566 154693 194873 306229 309386 365981 389746 612458 731962 1364111 2143603 2728222 4287206 15005221 30010442