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84513430 = 2571119033
BaseRepresentation
bin1010000100110…
…01001010010110
312220000201122001
411002121022112
5133113412210
612215225514
72044231561
oct502311226
9186021561
1084513430
1143784211
122437829a
1314680861
14b31d4d8
15764603a
hex5099296

84513430 has 16 divisors (see below), whose sum is σ = 154268064. Its totient is φ = 33328960.

The previous prime is 84513427. The next prime is 84513433. The reversal of 84513430 is 3431548.

It is an interprime number because it is at equal distance from previous prime (84513427) and next prime (84513433).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84513433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58807 + ... + 60226.

It is an arithmetic number, because the mean of its divisors is an integer number (9641754).

Almost surely, 284513430 is an apocalyptic number.

84513430 is a deficient number, since it is larger than the sum of its proper divisors (69754634).

84513430 is a wasteful number, since it uses less digits than its factorization.

84513430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119111.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 84513430 is about 9193.1186220999. The cubic root of 84513430 is about 438.8423944290.

Adding to 84513430 its reverse (3431548), we get a palindrome (87944978).

It can be divided in two parts, 8451 and 3430, that added together give a square (11881 = 1092).

The spelling of 84513430 in words is "eighty-four million, five hundred thirteen thousand, four hundred thirty".

Divisors: 1 2 5 10 71 142 355 710 119033 238066 595165 1190330 8451343 16902686 42256715 84513430