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73806705 = 3257435449
BaseRepresentation
bin1000110011000…
…11001101110001
312010212202202200
410121203031301
5122343303310
611153533413
71554226620
oct431431561
9163782680
1073806705
1138731085
1220874269
13123a240b
149b336b7
15672d9c0
hex4663371

73806705 has 48 divisors (see below), whose sum is σ = 149635200. Its totient is φ = 32949504.

The previous prime is 73806679. The next prime is 73806713. The reversal of 73806705 is 50760837.

It is not a de Polignac number, because 73806705 - 29 = 73806193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73806705.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 10821 + ... + 16269.

It is an arithmetic number, because the mean of its divisors is an integer number (3117400).

Almost surely, 273806705 is an apocalyptic number.

It is an amenable number.

73806705 is an abundant number, since it is smaller than the sum of its proper divisors (75828495).

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

73806705 is a wasteful number, since it uses less digits than its factorization.

73806705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510 (or 5507 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 73806705 is about 8591.0828770301. The cubic root of 73806705 is about 419.4677782372.

The spelling of 73806705 in words is "seventy-three million, eight hundred six thousand, seven hundred five".

Divisors: 1 3 5 7 9 15 21 35 43 45 63 105 129 215 301 315 387 645 903 1505 1935 2709 4515 5449 13545 16347 27245 38143 49041 81735 114429 190715 234307 245205 343287 572145 702921 1171535 1640149 1716435 2108763 3514605 4920447 8200745 10543815 14761341 24602235 73806705