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85723738 = 2187922811
BaseRepresentation
bin1010001110000…
…00101001011010
312222022012212021
411013000221122
5133421124423
612301205054
72060432302
oct507005132
9188265767
1085723738
1144430571
122486078a
13149b5709
14b556602
1577d495d
hex51c0a5a

85723738 has 8 divisors (see below), whose sum is σ = 128659680. Its totient is φ = 42837180.

The previous prime is 85723717. The next prime is 85723751. The reversal of 85723738 is 83732758.

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

It is a junction number, because it is equal to n+sod(n) for n = 85723694 and 85723703.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7648 + ... + 15163.

It is an arithmetic number, because the mean of its divisors is an integer number (16082460).

Almost surely, 285723738 is an apocalyptic number.

85723738 is a deficient number, since it is larger than the sum of its proper divisors (42935942).

85723738 is a wasteful number, since it uses less digits than its factorization.

85723738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24692.

The product of its digits is 282240, while the sum is 43.

The square root of 85723738 is about 9258.7114654254. The cubic root of 85723738 is about 440.9273451162.

The spelling of 85723738 in words is "eighty-five million, seven hundred twenty-three thousand, seven hundred thirty-eight".

Divisors: 1 2 1879 3758 22811 45622 42861869 85723738