| Base | Representation |
|---|---|
| bin | 111001000011110… |
| … | …0010001000011010 |
| 3 | 11221102121121111100 |
| 4 | 1302013202020122 |
| 5 | 12410112434214 |
| 6 | 513552012230 |
| 7 | 65305432260 |
| oct | 16207421032 |
| 9 | 4842547440 |
| 10 | 1914577434 |
| 11 | 8a2802400 |
| 12 | 455231076 |
| 13 | 246868a73 |
| 14 | 1423c0430 |
| 15 | b313c309 |
| hex | 721e221a |
1914577434 has 288 divisors, whose sum is σ = 5646775680. Its totient is φ = 457205760.
The previous prime is 1914577433. The next prime is 1914577439. The reversal of 1914577434 is 4347754191.
It is a happy number.
1914577434 is a `hidden beast` number, since 1 + 9 + 145 + 77 + 434 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 1914577434.
It is not an unprimeable number, because it can be changed into a prime (1914577433) 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 143 ways as a sum of consecutive naturals, for example, 21512062 + ... + 21512150.
It is an arithmetic number, because the mean of its divisors is an integer number (19606860).
Almost surely, 21914577434 is an apocalyptic number.
1914577434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1914577434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2823387840).
1914577434 is an abundant number, since it is smaller than the sum of its proper divisors (3732198246).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1914577434 is a wasteful number, since it uses less digits than its factorization.
1914577434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 226 (or 212 counting only the distinct ones).
The product of its digits is 423360, while the sum is 45.
The square root of 1914577434 is about 43755.8845642503. The cubic root of 1914577434 is about 1241.7218176325.
It can be divided in two parts, 191457 and 7434, that added together give a palindrome (198891).
The spelling of 1914577434 in words is "one billion, nine hundred fourteen million, five hundred seventy-seven thousand, four hundred thirty-four".
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