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73201968 = 243478069
BaseRepresentation
bin1000101110011…
…11100100110000
312002202001020000
410113033210300
5122214430333
611132550000
71546130550
oct427174460
9162661200
1073201968
11383587a4
1220622300
1312220098
149a17160
15665e713
hex45cf930

73201968 has 100 divisors (see below), whose sum is σ = 242164560. Its totient is φ = 20912256.

The previous prime is 73201937. The next prime is 73201969. The reversal of 73201968 is 86910237.

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

It is not an unprimeable number, because it can be changed into a prime (73201969) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 5038 + ... + 13106.

Almost surely, 273201968 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 73201968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121082280).

73201968 is an abundant number, since it is smaller than the sum of its proper divisors (168962592).

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

73201968 is a wasteful number, since it uses less digits than its factorization.

73201968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8096 (or 8081 counting only the distinct ones).

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

The square root of 73201968 is about 8555.8148647572. The cubic root of 73201968 is about 418.3189952212.

The spelling of 73201968 in words is "seventy-three million, two hundred one thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 81 84 108 112 126 144 162 168 189 216 252 324 336 378 432 504 567 648 756 1008 1134 1296 1512 2268 3024 4536 8069 9072 16138 24207 32276 48414 56483 64552 72621 96828 112966 129104 145242 169449 193656 217863 225932 290484 338898 387312 435726 451864 508347 580968 653589 677796 871452 903728 1016694 1161936 1307178 1355592 1525041 1742904 2033388 2614356 2711184 3050082 3485808 4066776 4575123 5228712 6100164 8133552 9150246 10457424 12200328 18300492 24400656 36600984 73201968