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85901693 = 711209883
BaseRepresentation
bin1010001111011…
…00000101111101
312222122020222012
411013230011331
5133442323233
612305101005
72062103153
oct507540575
9188566865
1085901693
1144542239
1224927765
1314a48707
14b5a13d3
15781c548
hex51ec17d

85901693 has 4 divisors (see below), whose sum is σ = 87111648. Its totient is φ = 84691740.

The previous prime is 85901689. The next prime is 85901707. The reversal of 85901693 is 39610958.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39610958 = 219805479.

It is a cyclic number.

It is not a de Polignac number, because 85901693 - 22 = 85901689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85901693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85901623) 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, 604871 + ... + 605012.

It is an arithmetic number, because the mean of its divisors is an integer number (21777912).

Almost surely, 285901693 is an apocalyptic number.

It is an amenable number.

85901693 is a deficient number, since it is larger than the sum of its proper divisors (1209955).

85901693 is a wasteful number, since it uses less digits than its factorization.

85901693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209954.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 85901693 is about 9268.3166216957. The cubic root of 85901693 is about 441.2322431308.

The spelling of 85901693 in words is "eighty-five million, nine hundred one thousand, six hundred ninety-three".

Divisors: 1 71 1209883 85901693