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1243000704 = 273111032857
BaseRepresentation
bin100101000010110…
…1010111110000000
310012121220222102010
41022011222332000
510021202010304
6323201452520
742542221521
oct11205527600
93177828363
101243000704
11588706910
122a8341140
1316a69ba9a
14bb124848
15741d1789
hex4a16af80

1243000704 has 128 divisors (see below), whose sum is σ = 3638119680. Its totient is φ = 372879360.

The previous prime is 1243000663. The next prime is 1243000727. The reversal of 1243000704 is 4070003421.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433644 + ... + 436500.

It is an arithmetic number, because the mean of its divisors is an integer number (28422810).

Almost surely, 21243000704 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 1243000704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1819059840).

1243000704 is an abundant number, since it is smaller than the sum of its proper divisors (2395118976).

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

1243000704 is a wasteful number, since it uses less digits than its factorization.

1243000704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988 (or 2976 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1243000704 is about 35256.2151116651. The cubic root of 1243000704 is about 1075.2029770680.

The spelling of 1243000704 in words is "one billion, two hundred forty-three million, seven hundred four", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 103 128 132 176 192 206 264 309 352 384 412 528 618 704 824 1056 1133 1236 1408 1648 2112 2266 2472 2857 3296 3399 4224 4532 4944 5714 6592 6798 8571 9064 9888 11428 13184 13596 17142 18128 19776 22856 27192 31427 34284 36256 39552 45712 54384 62854 68568 72512 91424 94281 108768 125708 137136 145024 182848 188562 217536 251416 274272 294271 365696 377124 435072 502832 548544 588542 754248 882813 1005664 1097088 1177084 1508496 1765626 2011328 2354168 3016992 3236981 3531252 4022656 4708336 6033984 6473962 7062504 9416672 9710943 12067968 12947924 14125008 18833344 19421886 25895848 28250016 37666688 38843772 51791696 56500032 77687544 103583392 113000064 155375088 207166784 310750176 414333568 621500352 1243000704