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421334310 = 23519739183
BaseRepresentation
bin11001000111010…
…000110100100110
31002100211000000110
4121013100310212
51330330144220
6105450353450
713304165625
oct3107206446
91070730013
10421334310
111a6917781
12b912b886
13693a1157
143dd596bc
1526ec9be0
hex191d0d26

421334310 has 32 divisors (see below), whose sum is σ = 1064424960. Its totient is φ = 106442208.

The previous prime is 421334279. The next prime is 421334323. The reversal of 421334310 is 13433124.

It is a super-4 number, since 4×4213343104 (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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, 369022 + ... + 370161.

It is an arithmetic number, because the mean of its divisors is an integer number (33263280).

Almost surely, 2421334310 is an apocalyptic number.

421334310 is an abundant number, since it is smaller than the sum of its proper divisors (643090650).

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

421334310 is a wasteful number, since it uses less digits than its factorization.

421334310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739212.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 421334310 is about 20526.4295482678. The cubic root of 421334310 is about 749.6794541311.

Adding to 421334310 its reverse (13433124), we get a palindrome (434767434).

The spelling of 421334310 in words is "four hundred twenty-one million, three hundred thirty-four thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 739183 1478366 2217549 3695915 4435098 7391830 11087745 14044477 22175490 28088954 42133431 70222385 84266862 140444770 210667155 421334310