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30105592 = 23113131093
BaseRepresentation
bin111001011010…
…1111111111000
32002122112002221
41302311333320
530201334332
62553133424
7513615256
oct162657770
962575087
1030105592
1115aa2860
12a0ba274
13631107a
143dd95d6
15299a297
hex1cb5ff8

30105592 has 32 divisors (see below), whose sum is σ = 61832880. Its totient is φ = 13628160.

The previous prime is 30105587. The next prime is 30105601. The reversal of 30105592 is 29550103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26998 + ... + 28090.

Almost surely, 230105592 is an apocalyptic number.

It is an amenable number.

30105592 is an abundant number, since it is smaller than the sum of its proper divisors (31727288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30105592 is a wasteful number, since it uses less digits than its factorization.

30105592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423 (or 1419 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 30105592 is about 5486.8562948195. The cubic root of 30105592 is about 311.0873780460.

Adding to 30105592 its reverse (29550103), we get a palindrome (59655695).

The spelling of 30105592 in words is "thirty million, one hundred five thousand, five hundred ninety-two".

Divisors: 1 2 4 8 11 22 44 88 313 626 1093 1252 2186 2504 3443 4372 6886 8744 12023 13772 24046 27544 48092 96184 342109 684218 1368436 2736872 3763199 7526398 15052796 30105592