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73286048 = 25111737331
BaseRepresentation
bin1000101111001…
…00000110100000
312002220022120002
410113210012200
5122230123143
611134435132
71546630643
oct427440640
9162808502
1073286048
1138405990
1220662aa8
131224c434
149a39a5a
1566795b8
hex45e41a0

73286048 has 96 divisors (see below), whose sum is σ = 171678528. Its totient is φ = 30412800.

The previous prime is 73285999. The next prime is 73286063. The reversal of 73286048 is 84068237.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221243 + ... + 221573.

It is an arithmetic number, because the mean of its divisors is an integer number (1788318).

Almost surely, 273286048 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 73286048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85839264).

73286048 is an abundant number, since it is smaller than the sum of its proper divisors (98392480).

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

73286048 is a wasteful number, since it uses less digits than its factorization.

73286048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 73286048 is about 8560.7270719256. The cubic root of 73286048 is about 418.4790947574.

The spelling of 73286048 in words is "seventy-three million, two hundred eighty-six thousand, forty-eight".

Divisors: 1 2 4 8 11 16 17 22 32 34 37 44 68 74 88 136 148 176 187 272 296 331 352 374 407 544 592 629 662 748 814 1184 1258 1324 1496 1628 2516 2648 2992 3256 3641 5032 5296 5627 5984 6512 6919 7282 10064 10592 11254 12247 13024 13838 14564 20128 22508 24494 27676 29128 45016 48988 55352 58256 61897 90032 97976 110704 116512 123794 134717 180064 195952 208199 221408 247588 269434 391904 416398 495176 538868 832796 990352 1077736 1665592 1980704 2155472 2290189 3331184 4310944 4580378 6662368 9160756 18321512 36643024 73286048