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82885061 = 711840723
BaseRepresentation
bin1001111000010…
…11100111000101
312202221222221002
410330023213011
5132204310221
612120303045
72024340260
oct474134705
9182858832
1082885061
1142871856
1223911a85
131423061c
14b017cd7
15742380b
hex4f0b9c5

82885061 has 4 divisors (see below), whose sum is σ = 94725792. Its totient is φ = 71044332.

The previous prime is 82885043. The next prime is 82885063. The reversal of 82885061 is 16058828.

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.

It is a cyclic number.

It is not a de Polignac number, because 82885061 - 214 = 82868677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82885063) 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, 5920355 + ... + 5920368.

It is an arithmetic number, because the mean of its divisors is an integer number (23681448).

Almost surely, 282885061 is an apocalyptic number.

It is an amenable number.

82885061 is a deficient number, since it is larger than the sum of its proper divisors (11840731).

82885061 is a wasteful number, since it uses less digits than its factorization.

82885061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11840730.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 82885061 is about 9104.1232966168. The cubic root of 82885061 is about 436.0056198950.

The spelling of 82885061 in words is "eighty-two million, eight hundred eighty-five thousand, sixty-one".

Divisors: 1 7 11840723 82885061