Base | Representation |
---|---|
bin | 101001011100001… |
… | …0110010100110000 |
3 | 10120220110212211010 |
4 | 1102320112110300 |
5 | 10321432100331 |
6 | 345551150520 |
7 | 46313040144 |
oct | 12270262460 |
9 | 3526425733 |
10 | 1390503216 |
11 | 6539a2713 |
12 | 329815440 |
13 | 192104c8b |
14 | d295d224 |
15 | 8211ae46 |
hex | 52e16530 |
1390503216 has 40 divisors (see below), whose sum is σ = 3689222704. Its totient is φ = 450973440.
The previous prime is 1390503211. The next prime is 1390503251. The reversal of 1390503216 is 6123050931.
It is not an unprimeable number, because it can be changed into a prime (1390503211) 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, 389695 + ... + 393246.
Almost surely, 21390503216 is an apocalyptic number.
1390503216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
1390503216 is an abundant number, since it is smaller than the sum of its proper divisors (2298719488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1390503216 is a wasteful number, since it uses less digits than its factorization.
1390503216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 782989 (or 782983 counting only the distinct ones).
The product of its (nonzero) digits is 4860, while the sum is 30.
The square root of 1390503216 is about 37289.4518061073. The cubic root of 1390503216 is about 1116.1536896031.
The spelling of 1390503216 in words is "one billion, three hundred ninety million, five hundred three thousand, two hundred sixteen".
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