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30450122 = 2193125849
BaseRepresentation
bin111010000101…
…0000111001010
32010022000201022
41310022013022
530243400442
63004352442
7516551603
oct164120712
963260638
1030450122
111620869a
12a245722
136401b31
144088daa
152a173d2
hex1d0a1ca

30450122 has 16 divisors (see below), whose sum is σ = 49632000. Its totient is φ = 13957920.

The previous prime is 30450089. The next prime is 30450139. The reversal of 30450122 is 22105403.

It is a self number, because there is not a number n which added to its sum of digits gives 30450122.

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, 11747 + ... + 14102.

It is an arithmetic number, because the mean of its divisors is an integer number (3102000).

Almost surely, 230450122 is an apocalyptic number.

30450122 is a deficient number, since it is larger than the sum of its proper divisors (19181878).

30450122 is a wasteful number, since it uses less digits than its factorization.

30450122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25901.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 30450122 is about 5518.1629189432. The cubic root of 30450122 is about 312.2695799028.

Adding to 30450122 its reverse (22105403), we get a palindrome (52555525).

The spelling of 30450122 in words is "thirty million, four hundred fifty thousand, one hundred twenty-two".

Divisors: 1 2 19 31 38 62 589 1178 25849 51698 491131 801319 982262 1602638 15225061 30450122