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1343423250 = 232531323533
BaseRepresentation
bin101000000010011…
…0000001100010010
310110121212222020200
41100010300030102
510222404021000
6341150120030
745201623601
oct12004601422
93417788220
101343423250
1162a366854
12315ab0016
1318542ca00
14ca5c5a38
157ce1b500
hex50130312

1343423250 has 144 divisors (see below), whose sum is σ = 3934656648. Its totient is φ = 330595200.

The previous prime is 1343423201. The next prime is 1343423251. The reversal of 1343423250 is 523243431.

It can be written as a sum of positive squares in 12 ways, for example, as 234733041 + 1108690209 = 15321^2 + 33297^2 .

It is not an unprimeable number, because it can be changed into a prime (1343423251) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 378484 + ... + 382016.

Almost surely, 21343423250 is an apocalyptic number.

1343423250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1343423250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1967328324).

1343423250 is an abundant number, since it is smaller than the sum of its proper divisors (2591233398).

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

1343423250 is a wasteful number, since it uses less digits than its factorization.

1343423250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3582 (or 3556 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 1343423250 is about 36652.7386425626. The cubic root of 1343423250 is about 1103.4117898794.

Adding to 1343423250 its reverse (523243431), we get a palindrome (1866666681).

The spelling of 1343423250 in words is "one billion, three hundred forty-three million, four hundred twenty-three thousand, two hundred fifty".

Divisors: 1 2 3 5 6 9 10 13 15 18 25 26 30 39 45 50 65 75 78 90 117 125 130 150 169 195 225 234 250 325 338 375 390 450 507 585 650 750 845 975 1014 1125 1170 1521 1625 1690 1950 2250 2535 2925 3042 3250 3533 4225 4875 5070 5850 7066 7605 8450 9750 10599 12675 14625 15210 17665 21125 21198 25350 29250 31797 35330 38025 42250 45929 52995 63375 63594 76050 88325 91858 105990 126750 137787 158985 176650 190125 229645 264975 275574 317970 380250 413361 441625 459290 529950 597077 688935 794925 826722 883250 1148225 1194154 1324875 1377870 1589850 1791231 2066805 2296450 2649750 2985385 3444675 3582462 3974625 4133610 5373693 5741125 5970770 6889350 7949250 8956155 10334025 10747386 11482250 14926925 17223375 17912310 20668050 26868465 29853850 34446750 44780775 51670125 53736930 74634625 89561550 103340250 134342325 149269250 223903875 268684650 447807750 671711625 1343423250