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1344323420 = 2251129210709
BaseRepresentation
bin101000000100000…
…1011111101011100
310110200120201001022
41100020023331130
510223121322140
6341221303312
745212363156
oct12010137534
93420521038
101344323420
1162a9210a0
12316264b38
1318568665b
14ca77bad6
157d0480b5
hex5020bf5c

1344323420 has 48 divisors (see below), whose sum is σ = 3185935200. Its totient is φ = 471985920.

The previous prime is 1344323417. The next prime is 1344323423. The reversal of 1344323420 is 243234431.

It is an interprime number because it is at equal distance from previous prime (1344323417) and next prime (1344323423).

It is a self number, because there is not a number n which added to its sum of digits gives 1344323420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344323423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98975 + ... + 111734.

It is an arithmetic number, because the mean of its divisors is an integer number (66373650).

Almost surely, 21344323420 is an apocalyptic number.

1344323420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344323420 is an abundant number, since it is smaller than the sum of its proper divisors (1841611780).

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

1344323420 is a wasteful number, since it uses less digits than its factorization.

1344323420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210758 (or 210756 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 1344323420 is about 36665.0162961917. The cubic root of 1344323420 is about 1103.6581844109.

Adding to 1344323420 its reverse (243234431), we get a palindrome (1587557851).

It can be divided in two parts, 13443 and 23420, that added together give a palindrome (36863).

The spelling of 1344323420 in words is "one billion, three hundred forty-four million, three hundred twenty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 29 44 55 58 110 116 145 220 290 319 580 638 1276 1595 3190 6380 210709 421418 842836 1053545 2107090 2317799 4214180 4635598 6110561 9271196 11588995 12221122 23177990 24442244 30552805 46355980 61105610 67216171 122211220 134432342 268864684 336080855 672161710 1344323420