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2164002342 = 231871192767
BaseRepresentation
bin1000000011111100…
…0000111000100110
312120210221201010220
42000333000320212
513412441033332
6554422025210
7104424500505
oct20077007046
95523851126
102164002342
11a10582a97
12504878206
13286439778
1416758a83c
15c9eaad2c
hex80fc0e26

2164002342 has 16 divisors (see below), whose sum is σ = 4330340352. Its totient is φ = 720944840.

The previous prime is 2164002287. The next prime is 2164002343. The reversal of 2164002342 is 2432004612.

It is a super-2 number, since 2×21640023422 = 9365812272362969928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164002343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85158 + ... + 107609.

It is an arithmetic number, because the mean of its divisors is an integer number (270646272).

Almost surely, 22164002342 is an apocalyptic number.

2164002342 is an abundant number, since it is smaller than the sum of its proper divisors (2166338010).

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

2164002342 is a wasteful number, since it uses less digits than its factorization.

2164002342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194643.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2164002342 is about 46518.8385710564. The cubic root of 2164002342 is about 1293.4587273616.

Adding to 2164002342 its reverse (2432004612), we get a palindrome (4596006954).

The spelling of 2164002342 in words is "two billion, one hundred sixty-four million, two thousand, three hundred forty-two".

Divisors: 1 2 3 6 1871 3742 5613 11226 192767 385534 578301 1156602 360667057 721334114 1082001171 2164002342