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30753105 = 353755411
BaseRepresentation
bin111010101010…
…0000101010001
32010212102022220
41311110011101
530333044410
63015051253
7522253125
oct165240521
963772286
1030753105
11163a5299
12a370b29
1364a9a06
144127585
152a77070
hex1d54151

30753105 has 16 divisors (see below), whose sum is σ = 50535744. Its totient is φ = 15958080.

The previous prime is 30753083. The next prime is 30753109. The reversal of 30753105 is 50135703.

It is not a de Polignac number, because 30753105 - 29 = 30752593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30753109) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27151 + ... + 28260.

It is an arithmetic number, because the mean of its divisors is an integer number (3158484).

Almost surely, 230753105 is an apocalyptic number.

It is an amenable number.

30753105 is a deficient number, since it is larger than the sum of its proper divisors (19782639).

30753105 is a wasteful number, since it uses less digits than its factorization.

30753105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55456.

The product of its (nonzero) digits is 1575, while the sum is 24.

The square root of 30753105 is about 5545.5482145591. The cubic root of 30753105 is about 313.3018723756.

Adding to 30753105 its reverse (50135703), we get a palindrome (80888808).

The spelling of 30753105 in words is "thirty million, seven hundred fifty-three thousand, one hundred five".

Divisors: 1 3 5 15 37 111 185 555 55411 166233 277055 831165 2050207 6150621 10251035 30753105