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85814461 = 791086259
BaseRepresentation
bin1010001110101…
…10110010111101
312222110211022101
411013112302331
5133432030321
612303145101
72061260635
oct507266275
9188424271
1085814461
1144492747
12248a5191
1314a17ab5
14b57b6c5
157801791
hex51d6cbd

85814461 has 4 divisors (see below), whose sum is σ = 86900800. Its totient is φ = 84728124.

The previous prime is 85814459. The next prime is 85814467. The reversal of 85814461 is 16441858.

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: 16441858 = 28220929.

It is a cyclic number.

It is not a de Polignac number, because 85814461 - 21 = 85814459 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 85814461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85814467) 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, 543051 + ... + 543208.

It is an arithmetic number, because the mean of its divisors is an integer number (21725200).

Almost surely, 285814461 is an apocalyptic number.

It is an amenable number.

85814461 is a deficient number, since it is larger than the sum of its proper divisors (1086339).

85814461 is a wasteful number, since it uses less digits than its factorization.

85814461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086338.

The product of its digits is 30720, while the sum is 37.

The square root of 85814461 is about 9263.6095017007. The cubic root of 85814461 is about 441.0828374339.

The spelling of 85814461 in words is "eighty-five million, eight hundred fourteen thousand, four hundred sixty-one".

Divisors: 1 79 1086259 85814461