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30123230 = 253012323
BaseRepresentation
bin111001011101…
…0010011011110
32002200102022012
41302322103132
530202420410
62553351222
7514020554
oct162722336
962612265
1030123230
1116005035
12a108512
1363190c7
144001bd4
1529a0605
hex1cba4de

30123230 has 8 divisors (see below), whose sum is σ = 54221832. Its totient is φ = 12049288.

The previous prime is 30123229. The next prime is 30123251. The reversal of 30123230 is 3232103.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1506152 + ... + 1506171.

It is an arithmetic number, because the mean of its divisors is an integer number (6777729).

Almost surely, 230123230 is an apocalyptic number.

30123230 is a deficient number, since it is larger than the sum of its proper divisors (24098602).

30123230 is a wasteful number, since it uses less digits than its factorization.

30123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012330.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 30123230 is about 5488.4633550749. The cubic root of 30123230 is about 311.1481185663.

Adding to 30123230 its reverse (3232103), we get a palindrome (33355333).

The spelling of 30123230 in words is "thirty million, one hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 3012323 6024646 15061615 30123230