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344231420 = 225131323967
BaseRepresentation
bin10100100001001…
…000110111111100
3212222201202201212
4110201020313330
51201110401140
654054023552
711346630101
oct2441106774
9788652655
10344231420
11167345185
1297347bb8
1356416640
1433a08aa8
1520349765
hex14848dfc

344231420 has 24 divisors (see below), whose sum is σ = 778493184. Its totient is φ = 127100736.

The previous prime is 344231413. The next prime is 344231443. The reversal of 344231420 is 24132443.

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, 661724 + ... + 662243.

It is an arithmetic number, because the mean of its divisors is an integer number (32437216).

Almost surely, 2344231420 is an apocalyptic number.

It is an amenable number.

344231420 is an abundant number, since it is smaller than the sum of its proper divisors (434261764).

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

344231420 is a wasteful number, since it uses less digits than its factorization.

344231420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323989 (or 1323987 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 344231420 is about 18553.4746071996. The cubic root of 344231420 is about 700.8367001858.

Adding to 344231420 its reverse (24132443), we get a palindrome (368363863).

The spelling of 344231420 in words is "three hundred forty-four million, two hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1323967 2647934 5295868 6619835 13239670 17211571 26479340 34423142 68846284 86057855 172115710 344231420