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23230130 = 2571130169
BaseRepresentation
bin101100010011…
…1011010110010
31121201012202012
41120213122302
521421331010
62145522522
7401311220
oct130473262
947635665
1023230130
1112127160
127943442
134a74751
143129b10
15208d005
hex16276b2

23230130 has 32 divisors (see below), whose sum is σ = 52133760. Its totient is φ = 7240320.

The previous prime is 23230127. The next prime is 23230139. The reversal of 23230130 is 3103232.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (23230139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14315 + ... + 15854.

It is an arithmetic number, because the mean of its divisors is an integer number (1629180).

Almost surely, 223230130 is an apocalyptic number.

23230130 is an abundant number, since it is smaller than the sum of its proper divisors (28903630).

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

23230130 is a wasteful number, since it uses less digits than its factorization.

23230130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30194.

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

The square root of 23230130 is about 4819.7645170693. The cubic root of 23230130 is about 285.3320434890.

Adding to 23230130 its reverse (3103232), we get a palindrome (26333362).

The spelling of 23230130 in words is "twenty-three million, two hundred thirty thousand, one hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 30169 60338 150845 211183 301690 331859 422366 663718 1055915 1659295 2111830 2323013 3318590 4646026 11615065 23230130