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23481430 = 257335449
BaseRepresentation
bin101100110010…
…0110001010110
31122011222110121
41121210301112
522002401210
62155142154
7403405660
oct131446126
948158417
1023481430
1112288a45
127a4495a
134b31c4b
143193530
1520dc6da
hex1664c56

23481430 has 16 divisors (see below), whose sum is σ = 48304800. Its totient is φ = 8050752.

The previous prime is 23481379. The next prime is 23481439. The reversal of 23481430 is 3418432.

It is a junction number, because it is equal to n+sod(n) for n = 23481395 and 23481404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23481439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167655 + ... + 167794.

It is an arithmetic number, because the mean of its divisors is an integer number (3019050).

Almost surely, 223481430 is an apocalyptic number.

23481430 is an abundant number, since it is smaller than the sum of its proper divisors (24823370).

23481430 is a wasteful number, since it uses less digits than its factorization.

23481430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335463.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 23481430 is about 4845.7641296291. The cubic root of 23481430 is about 286.3572483210.

Adding to 23481430 its reverse (3418432), we get a palindrome (26899862).

The spelling of 23481430 in words is "twenty-three million, four hundred eighty-one thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 335449 670898 1677245 2348143 3354490 4696286 11740715 23481430