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30063055 = 5112173779
BaseRepresentation
bin111001010101…
…1100111001111
32002120100202111
41302223213033
530144004210
62552204451
7513350251
oct162534717
962510674
1030063055
1115a73900
12a099727
1362c78b9
143dc7cd1
15298c88a
hex1cab9cf

30063055 has 48 divisors (see below), whose sum is σ = 43666560. Its totient is φ = 19768320.

The previous prime is 30063049. The next prime is 30063071. The reversal of 30063055 is 55036003.

It is not a de Polignac number, because 30063055 - 27 = 30062927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 380506 + ... + 380584.

It is an arithmetic number, because the mean of its divisors is an integer number (909720).

Almost surely, 230063055 is an apocalyptic number.

30063055 is the 4477-th pentagonal number.

30063055 is a deficient number, since it is larger than the sum of its proper divisors (13603505).

30063055 is a wasteful number, since it uses less digits than its factorization.

30063055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 30063055 is about 5482.9786612753. The cubic root of 30063055 is about 310.9407944147.

Adding to 30063055 its reverse (55036003), we get a palindrome (85099058).

The spelling of 30063055 in words is "thirty million, sixty-three thousand, fifty-five".

Divisors: 1 5 11 17 37 55 79 85 121 185 187 395 407 605 629 869 935 1343 2035 2057 2923 3145 4345 4477 6715 6919 9559 10285 14615 14773 22385 32153 34595 47795 49691 73865 76109 160765 162503 248455 353683 380545 546601 812515 1768415 2733005 6012611 30063055