Search a number
-
+
23430204 = 22327109853
BaseRepresentation
bin101100101100…
…0010000111100
31122002101012100
41121120100330
521444231304
62154105100
7403103430
oct131302074
948071170
1023430204
1112253506
127a1b190
134b14835
14317c9c0
1520cc439
hex165843c

23430204 has 72 divisors (see below), whose sum is σ = 68388320. Its totient is φ = 6625152.

The previous prime is 23430191. The next prime is 23430221. The reversal of 23430204 is 40203432.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable 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 23 ways as a sum of consecutive naturals, for example, 27042 + ... + 27894.

Almost surely, 223430204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23430204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34194160).

23430204 is an abundant number, since it is smaller than the sum of its proper divisors (44958116).

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

23430204 is a wasteful number, since it uses less digits than its factorization.

23430204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 23430204 is about 4840.4755964678. The cubic root of 23430204 is about 286.1488621427.

Adding to 23430204 its reverse (40203432), we get a palindrome (63633636).

The spelling of 23430204 in words is "twenty-three million, four hundred thirty thousand, two hundred four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 109 126 218 252 327 436 654 763 853 981 1308 1526 1706 1962 2289 2559 3052 3412 3924 4578 5118 5971 6867 7677 9156 10236 11942 13734 15354 17913 23884 27468 30708 35826 53739 71652 92977 107478 185954 214956 278931 371908 557862 650839 836793 1115724 1301678 1673586 1952517 2603356 3347172 3905034 5857551 7810068 11715102 23430204