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1468981248 = 213378539
BaseRepresentation
bin101011110001110…
…1110000000000000
310210101010222102220
41113203232000000
511002024344443
6401433211040
751255064110
oct12743560000
93711128386
101468981248
11694224399
1234bb60a80
131a5451697
14dd14b040
1588e6da83
hex578ee000

1468981248 has 112 divisors (see below), whose sum is σ = 4477146240. Its totient is φ = 419659776.

The previous prime is 1468981247. The next prime is 1468981343. The reversal of 1468981248 is 8421898641.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 1468981248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1468981247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167763 + ... + 176301.

It is an arithmetic number, because the mean of its divisors is an integer number (39974520).

Almost surely, 21468981248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1468981248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2238573120).

1468981248 is an abundant number, since it is smaller than the sum of its proper divisors (3008164992).

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

1468981248 is an frugal number, since it uses more digits than its factorization.

1468981248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8575 (or 8551 counting only the distinct ones).

The product of its digits is 884736, while the sum is 51.

The square root of 1468981248 is about 38327.2911643909. The cubic root of 1468981248 is about 1136.7686393649.

The spelling of 1468981248 in words is "one billion, four hundred sixty-eight million, nine hundred eighty-one thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 512 672 768 896 1024 1344 1536 1792 2048 2688 3072 3584 4096 5376 6144 7168 8192 8539 10752 12288 14336 17078 21504 24576 25617 28672 34156 43008 51234 57344 59773 68312 86016 102468 119546 136624 172032 179319 204936 239092 273248 358638 409872 478184 546496 717276 819744 956368 1092992 1434552 1639488 1912736 2185984 2869104 3278976 3825472 4371968 5738208 6557952 7650944 8743936 11476416 13115904 15301888 17487872 22952832 26231808 30603776 34975744 45905664 52463616 61207552 69951488 91811328 104927232 122415104 183622656 209854464 244830208 367245312 489660416 734490624 1468981248