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421230304 = 25111962983
BaseRepresentation
bin11001000110110…
…111011011100000
31002100121201100101
4121012313123200
51330313332204
6105444232144
713303253455
oct3106673340
91070551311
10421230304
111a6856620
12b909b654
1369365a01
143dd2d82c
1526ea8ea4
hex191b76e0

421230304 has 48 divisors (see below), whose sum is σ = 952318080. Its totient is φ = 181388160.

The previous prime is 421230289. The next prime is 421230331. The reversal of 421230304 is 403032124.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24804 + ... + 38179.

It is an arithmetic number, because the mean of its divisors is an integer number (19839960).

Almost surely, 2421230304 is an apocalyptic number.

421230304 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421230304 is an abundant number, since it is smaller than the sum of its proper divisors (531087776).

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

421230304 is a wasteful number, since it uses less digits than its factorization.

421230304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63023 (or 63015 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 421230304 is about 20523.8959264561. The cubic root of 421230304 is about 749.6177631523.

Adding to 421230304 its reverse (403032124), we get a palindrome (824262428).

The spelling of 421230304 in words is "four hundred twenty-one million, two hundred thirty thousand, three hundred four".

Divisors: 1 2 4 8 11 16 19 22 32 38 44 76 88 152 176 209 304 352 418 608 836 1672 3344 6688 62983 125966 251932 503864 692813 1007728 1196677 1385626 2015456 2393354 2771252 4786708 5542504 9573416 11085008 13163447 19146832 22170016 26326894 38293664 52653788 105307576 210615152 421230304