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84326430 = 2352810881
BaseRepresentation
bin1010000011010…
…11100000011110
312212200020010010
411001223200132
5133041421210
612211224050
72042522436
oct501534036
9185606103
1084326430
1143666771
12242a8026
13146166c6
14b2b12c6
15760a920
hex506b81e

84326430 has 16 divisors (see below), whose sum is σ = 202383504. Its totient is φ = 22487040.

The previous prime is 84326419. The next prime is 84326447. The reversal of 84326430 is 3462348.

It is a super-2 number, since 2×843264302 = 14221893593089800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2810881 = 84326430 / (8 + 4 + 3 + 2 + 6 + 4 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405411 + ... + 1405470.

It is an arithmetic number, because the mean of its divisors is an integer number (12648969).

Almost surely, 284326430 is an apocalyptic number.

84326430 is an abundant number, since it is smaller than the sum of its proper divisors (118057074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84326430 is a wasteful number, since it uses less digits than its factorization.

84326430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810891.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 84326430 is about 9182.9423389238. The cubic root of 84326430 is about 438.5184848497.

Adding to 84326430 its reverse (3462348), we get a palindrome (87788778).

The spelling of 84326430 in words is "eighty-four million, three hundred twenty-six thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2810881 5621762 8432643 14054405 16865286 28108810 42163215 84326430