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53705705 = 571914939
BaseRepresentation
bin1100110011011…
…1101111101001
310202001112101012
43030313233221
5102222040310
65155033305
71221330254
oct314675751
9122045335
1053705705
1128351989
1215b9b835
13b185031
1471c009b
154aacc05
hex3337be9

53705705 has 8 divisors (see below), whose sum is σ = 64540800. Its totient is φ = 42901936.

The previous prime is 53705689. The next prime is 53705711. The reversal of 53705705 is 50750735.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53705705 - 24 = 53705689 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3875 + ... + 11064.

It is an arithmetic number, because the mean of its divisors is an integer number (8067600).

Almost surely, 253705705 is an apocalyptic number.

It is an amenable number.

53705705 is a deficient number, since it is larger than the sum of its proper divisors (10835095).

53705705 is a wasteful number, since it uses less digits than its factorization.

53705705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15663.

The product of its (nonzero) digits is 18375, while the sum is 32.

The square root of 53705705 is about 7328.4176327499. The cubic root of 53705705 is about 377.2884184872.

The spelling of 53705705 in words is "fifty-three million, seven hundred five thousand, seven hundred five".

Divisors: 1 5 719 3595 14939 74695 10741141 53705705