Base | Representation |
---|---|
bin | 101001111001000… |
… | …0001111101000010 |
3 | 10121221221002210222 |
4 | 1103302001331002 |
5 | 10334314433010 |
6 | 351251223042 |
7 | 46555415351 |
oct | 12362017502 |
9 | 3557832728 |
10 | 1405624130 |
11 | 661490239 |
12 | 3328a7a82 |
13 | 19529a671 |
14 | d4977998 |
15 | 83606355 |
hex | 53c81f42 |
1405624130 has 32 divisors (see below), whose sum is σ = 2585628864. Its totient is φ = 549979456.
The previous prime is 1405624111. The next prime is 1405624151. The reversal of 1405624130 is 314265041.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1405624130.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180089 + ... + 187731.
It is an arithmetic number, because the mean of its divisors is an integer number (80800902).
Almost surely, 21405624130 is an apocalyptic number.
1405624130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1405624130 is a deficient number, since it is larger than the sum of its proper divisors (1180004734).
1405624130 is a wasteful number, since it uses less digits than its factorization.
1405624130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8050.
The product of its (nonzero) digits is 2880, while the sum is 26.
The square root of 1405624130 is about 37491.6541379545. The cubic root of 1405624130 is about 1120.1849529805.
Adding to 1405624130 its reverse (314265041), we get a palindrome (1719889171).
The spelling of 1405624130 in words is "one billion, four hundred five million, six hundred twenty-four thousand, one hundred thirty".
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