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73968908 = 221329181271
BaseRepresentation
bin1000110100010…
…10110100001100
312011012000021012
410122022310030
5122414001113
611201224352
71555503536
oct432126414
9164160235
1073968908
1138831a32
12209320b8
131242b1b0
149b76856
156761aa8
hex468ad0c

73968908 has 48 divisors (see below), whose sum is σ = 145541760. Its totient is φ = 32659200.

The previous prime is 73968907. The next prime is 73968913. The reversal of 73968908 is 80986937.

It is not an unprimeable number, because it can be changed into a prime (73968907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272813 + ... + 273083.

It is an arithmetic number, because the mean of its divisors is an integer number (3032120).

Almost surely, 273968908 is an apocalyptic number.

It is an amenable number.

73968908 is a deficient number, since it is larger than the sum of its proper divisors (71572852).

73968908 is a wasteful number, since it uses less digits than its factorization.

73968908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 73968908 is about 8600.5178913831. The cubic root of 73968908 is about 419.7748377398.

The spelling of 73968908 in words is "seventy-three million, nine hundred sixty-eight thousand, nine hundred eight".

Divisors: 1 2 4 13 26 29 52 58 116 181 271 362 377 542 724 754 1084 1508 2353 3523 4706 5249 7046 7859 9412 10498 14092 15718 20996 31436 49051 68237 98102 102167 136474 196204 204334 272948 408668 637663 1275326 1422479 2550652 2844958 5689916 18492227 36984454 73968908