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84393541 = 591917489
BaseRepresentation
bin1010000011110…
…11111001000101
312212210122011201
411001323321011
5133101043131
612212502501
72043222211
oct501737105
9185718151
1084393541
1143702131
122431aa31
131463b10b
14b2cb941
157620761
hex507be45

84393541 has 8 divisors (see below), whose sum is σ = 86284800. Its totient is φ = 82517760.

The previous prime is 84393521. The next prime is 84393553. The reversal of 84393541 is 14539348.

84393541 is nontrivially palindromic in base 8.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-84393541 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 84393541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84393521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7525 + ... + 15013.

It is an arithmetic number, because the mean of its divisors is an integer number (10785600).

Almost surely, 284393541 is an apocalyptic number.

It is an amenable number.

84393541 is a deficient number, since it is larger than the sum of its proper divisors (1891259).

84393541 is a wasteful number, since it uses less digits than its factorization.

84393541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7739.

The product of its digits is 51840, while the sum is 37.

The square root of 84393541 is about 9186.5957242060. The cubic root of 84393541 is about 438.6347853199.

The spelling of 84393541 in words is "eighty-four million, three hundred ninety-three thousand, five hundred forty-one".

Divisors: 1 59 191 7489 11269 441851 1430399 84393541