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30753106 = 219317963
BaseRepresentation
bin111010101010…
…0000101010010
32010212102022221
41311110011102
530333044411
63015051254
7522253126
oct165240522
963772287
1030753106
11163a529a
12a370b2a
1364a9a07
144127586
152a77071
hex1d54152

30753106 has 8 divisors (see below), whose sum is σ = 46159344. Its totient is φ = 15366660.

The previous prime is 30753083. The next prime is 30753109. The reversal of 30753106 is 60135703.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 120 + ... + 7843.

It is an arithmetic number, because the mean of its divisors is an integer number (5769918).

Almost surely, 230753106 is an apocalyptic number.

30753106 is a deficient number, since it is larger than the sum of its proper divisors (15406238).

30753106 is a wasteful number, since it uses less digits than its factorization.

30753106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9896.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 30753106 is about 5545.5483047215. The cubic root of 30753106 is about 313.3018757715.

Adding to 30753106 its reverse (60135703), we get a palindrome (90888809).

The spelling of 30753106 in words is "thirty million, seven hundred fifty-three thousand, one hundred six".

Divisors: 1 2 1931 3862 7963 15926 15376553 30753106