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30148483 = 89338747
BaseRepresentation
bin111001100000…
…0011110000011
32002201200221111
41303000132003
530204222413
62554104151
7514154311
oct163003603
962650844
1030148483
1116022002
12a11b057
136327751
14400b0b1
1529a7d3d
hex1cc0783

30148483 has 4 divisors (see below), whose sum is σ = 30487320. Its totient is φ = 29809648.

The previous prime is 30148453. The next prime is 30148493. The reversal of 30148483 is 38484103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30148483 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (30148453) 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, 169285 + ... + 169462.

It is an arithmetic number, because the mean of its divisors is an integer number (7621830).

Almost surely, 230148483 is an apocalyptic number.

30148483 is a deficient number, since it is larger than the sum of its proper divisors (338837).

30148483 is an equidigital number, since it uses as much as digits as its factorization.

30148483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338836.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 30148483 is about 5490.7634259727. The cubic root of 30148483 is about 311.2350418342.

It can be divided in two parts, 301 and 48483, that added together give a palindrome (48784).

The spelling of 30148483 in words is "thirty million, one hundred forty-eight thousand, four hundred eighty-three".

Divisors: 1 89 338747 30148483