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85807066 = 2231865371
BaseRepresentation
bin1010001110101…
…00111111011010
312222110110011111
411013110333122
5133431311231
612303050534
72061230242
oct507247732
9188413144
1085807066
1144488134
12248a0a4a
1314a14617
14b578b22
1577ee4b1
hex51d4fda

85807066 has 8 divisors (see below), whose sum is σ = 134306784. Its totient is φ = 41038140.

The previous prime is 85807061. The next prime is 85807067. The reversal of 85807066 is 66070858.

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

It is not an unprimeable number, because it can be changed into a prime (85807061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932640 + ... + 932731.

It is an arithmetic number, because the mean of its divisors is an integer number (16788348).

Almost surely, 285807066 is an apocalyptic number.

85807066 is a deficient number, since it is larger than the sum of its proper divisors (48499718).

85807066 is a wasteful number, since it uses less digits than its factorization.

85807066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865396.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 85807066 is about 9263.2103506290. The cubic root of 85807066 is about 441.0701670703.

The spelling of 85807066 in words is "eighty-five million, eight hundred seven thousand, sixty-six".

Divisors: 1 2 23 46 1865371 3730742 42903533 85807066