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1304001230 = 257243199311
BaseRepresentation
bin100110110111001…
…0111101011001110
310100212201010101212
41031232113223032
510132311014410
6333221134422
744212553600
oct11556275316
93325633355
101304001230
1160a090474
1230485a412
1317a20927c
14c5283170
1579730b05
hex4db97ace

1304001230 has 96 divisors (see below), whose sum is σ = 2816985600. Its totient is φ = 433097280.

The previous prime is 1304001221. The next prime is 1304001233. The reversal of 1304001230 is 321004031.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304001233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4192775 + ... + 4193085.

It is an arithmetic number, because the mean of its divisors is an integer number (29343600).

Almost surely, 21304001230 is an apocalyptic number.

1304001230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1304001230 is an abundant number, since it is smaller than the sum of its proper divisors (1512984370).

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

1304001230 is a wasteful number, since it uses less digits than its factorization.

1304001230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1304001230 is about 36110.9572013814. The cubic root of 1304001230 is about 1092.5114577604.

Adding to 1304001230 its reverse (321004031), we get a palindrome (1625005261).

The spelling of 1304001230 in words is "one billion, three hundred four million, one thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 43 49 70 86 98 199 215 245 301 311 398 430 490 602 622 995 1393 1505 1555 1990 2107 2177 2786 3010 3110 4214 4354 6965 8557 9751 10535 10885 13373 13930 15239 17114 19502 21070 21770 26746 30478 42785 48755 59899 61889 66865 76195 85570 93611 97510 119798 123778 133730 152390 187222 299495 309445 419293 433223 468055 598990 618890 655277 838586 866446 936110 1310554 2096465 2166115 2661227 3032561 3276385 4192930 4332230 5322454 6065122 6552770 13306135 15162805 18628589 26612270 30325610 37257178 93142945 130400123 186285890 260800246 652000615 1304001230