Base | Representation |
---|---|
bin | 10111010000100… |
… | …000010000111110 |
3 | 1000012020100002212 |
4 | 113100200100332 |
5 | 1244342434210 |
6 | 102415220422 |
7 | 12445444262 |
oct | 2720402076 |
9 | 1005210085 |
10 | 390202430 |
11 | 190293952 |
12 | aa817712 |
13 | 62ac0c17 |
14 | 39b740a2 |
15 | 243ca805 |
hex | 1742043e |
390202430 has 32 divisors (see below), whose sum is σ = 753300000. Its totient is φ = 145072512.
The previous prime is 390202403. The next prime is 390202469. The reversal of 390202430 is 34202093.
It is a junction number, because it is equal to n+sod(n) for n = 390202396 and 390202405.
It is a congruent number.
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, 9305 + ... + 29444.
It is an arithmetic number, because the mean of its divisors is an integer number (23540625).
Almost surely, 2390202430 is an apocalyptic number.
390202430 is a deficient number, since it is larger than the sum of its proper divisors (363097570).
390202430 is a wasteful number, since it uses less digits than its factorization.
390202430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38828.
The product of its (nonzero) digits is 1296, while the sum is 23.
The square root of 390202430 is about 19753.5422139929. The cubic root of 390202430 is about 730.7407443147.
The spelling of 390202430 in words is "three hundred ninety million, two hundred two thousand, four hundred thirty".
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