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423030 = 23559239
BaseRepresentation
bin1100111010001110110
3210111021210
41213101312
5102014110
613022250
73411216
oct1472166
9714253
10423030
11269913
12184986
1311a71a
14b0246
1585520
hex67476

423030 has 32 divisors (see below), whose sum is σ = 1036800. Its totient is φ = 110432.

The previous prime is 423019. The next prime is 423043. The reversal of 423030 is 30324.

423030 is nontrivially palindromic in base 16.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 422997 and 423015.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 423030.

It is an unprimeable number.

423030 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 1651 + ... + 1889.

It is an arithmetic number, because the mean of its divisors is an integer number (32400).

2423030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518400).

423030 is an abundant number, since it is smaller than the sum of its proper divisors (613770).

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

423030 is a wasteful number, since it uses less digits than its factorization.

423030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 423030 is about 650.4075645317. The cubic root of 423030 is about 75.0683820774.

Adding to 423030 its reverse (30324), we get a palindrome (453354).

It can be divided in two parts, 42 and 3030, that multiplied together give a triangular number (127260 = T504).

The spelling of 423030 in words is "four hundred twenty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 59 118 177 239 295 354 478 590 717 885 1195 1434 1770 2390 3585 7170 14101 28202 42303 70505 84606 141010 211515 423030