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73806768 = 2433724407
BaseRepresentation
bin1000110011000…
…11001110110000
312010212202212000
410121203032300
5122343304033
611153534000
71554230040
oct431431660
9163782760
1073806768
1138731132
1220874300
13123a2459
149b33720
15672da13
hex46633b0

73806768 has 80 divisors (see below), whose sum is σ = 242127360. Its totient is φ = 21086784.

The previous prime is 73806763. The next prime is 73806829. The reversal of 73806768 is 86760837.

It is not an unprimeable number, because it can be changed into a prime (73806763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9180 + ... + 15227.

It is an arithmetic number, because the mean of its divisors is an integer number (3026592).

Almost surely, 273806768 is an apocalyptic number.

It is an amenable number.

73806768 is an abundant number, since it is smaller than the sum of its proper divisors (168320592).

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

73806768 is a wasteful number, since it uses less digits than its factorization.

73806768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24431 (or 24419 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 73806768 is about 8591.0865436218. The cubic root of 73806768 is about 419.4678975871.

The spelling of 73806768 in words is "seventy-three million, eight hundred six thousand, seven 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 84 108 112 126 144 168 189 216 252 336 378 432 504 756 1008 1512 3024 24407 48814 73221 97628 146442 170849 195256 219663 292884 341698 390512 439326 512547 585768 658989 683396 878652 1025094 1171536 1317978 1366792 1537641 1757304 2050188 2635956 2733584 3075282 3514608 4100376 4612923 5271912 6150564 8200752 9225846 10543824 12301128 18451692 24602256 36903384 73806768