Search a number
-
+
73960128 = 2634111297
BaseRepresentation
bin1000110100010…
…00101011000000
312011011120020000
410122020223000
5122413211003
611201120000
71555436124
oct432105300
9164146200
1073960128
1138826380
1220929000
13124271b8
149b73584
15675e1a3
hex4688ac0

73960128 has 140 divisors (see below), whose sum is σ = 239356392. Its totient is φ = 22394880.

The previous prime is 73960127. The next prime is 73960147. The reversal of 73960128 is 82106937.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 73960092 and 73960101.

It is not an unprimeable number, because it can be changed into a prime (73960123) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56376 + ... + 57672.

Almost surely, 273960128 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 73960128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119678196).

73960128 is an abundant number, since it is smaller than the sum of its proper divisors (165396264).

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

73960128 is a wasteful number, since it uses less digits than its factorization.

73960128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 73960128 is about 8600.0074418572. The cubic root of 73960128 is about 419.7582281984.

It can be divided in two parts, 73960 and 128, that added together give a cube (74088 = 423).

The spelling of 73960128 in words is "seventy-three million, nine hundred sixty thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 72 81 88 96 99 108 132 144 162 176 192 198 216 264 288 297 324 352 396 432 528 576 594 648 704 792 864 891 1056 1188 1296 1297 1584 1728 1782 2112 2376 2592 2594 3168 3564 3891 4752 5184 5188 6336 7128 7782 9504 10376 11673 14256 14267 15564 19008 20752 23346 28512 28534 31128 35019 41504 42801 46692 57024 57068 62256 70038 83008 85602 93384 105057 114136 124512 128403 140076 171204 186768 210114 228272 249024 256806 280152 342408 373536 385209 420228 456544 513612 560304 684816 747072 770418 840456 913088 1027224 1120608 1155627 1369632 1540836 1680912 2054448 2241216 2311254 2739264 3081672 3361824 4108896 4622508 6163344 6723648 8217792 9245016 12326688 18490032 24653376 36980064 73960128