Base | Representation |
---|---|
bin | 101101010011001… |
… | …1011011100101101 |
3 | 10220221012012000210 |
4 | 1122212123130231 |
5 | 11103111221331 |
6 | 410455213033 |
7 | 52444661634 |
oct | 13246333455 |
9 | 3827165023 |
10 | 1520023341 |
11 | 710017041 |
12 | 365077179 |
13 | 1b2bb31c5 |
14 | 105c3651b |
15 | 8d6a2446 |
hex | 5a99b72d |
1520023341 has 16 divisors (see below), whose sum is σ = 2093511168. Its totient is φ = 979987200.
The previous prime is 1520023331. The next prime is 1520023367. The reversal of 1520023341 is 1433200251.
It is not a de Polignac number, because 1520023341 - 213 = 1520015149 is a prime.
It is a super-3 number, since 3×15200233413 (a number of 29 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1520023331) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155305 + ... + 164801.
It is an arithmetic number, because the mean of its divisors is an integer number (130844448).
Almost surely, 21520023341 is an apocalyptic number.
It is an amenable number.
1520023341 is a deficient number, since it is larger than the sum of its proper divisors (573487827).
1520023341 is a wasteful number, since it uses less digits than its factorization.
1520023341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11252.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 1520023341 is about 38987.4767200956. The cubic root of 1520023341 is about 1149.7853010662.
Adding to 1520023341 its reverse (1433200251), we get a palindrome (2953223592).
The spelling of 1520023341 in words is "one billion, five hundred twenty million, twenty-three thousand, three hundred forty-one".
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