Base | Representation |
---|---|
bin | 101010010101110… |
… | …1110101010011110 |
3 | 10200000101112212202 |
4 | 1110223232222132 |
5 | 10402202440340 |
6 | 352551331502 |
7 | 50131112510 |
oct | 12453565236 |
9 | 3600345782 |
10 | 1420749470 |
11 | 669a81118 |
12 | 337980b92 |
13 | 19846507a |
14 | d6993bb0 |
15 | 84ae2c15 |
hex | 54aeea9e |
1420749470 has 32 divisors (see below), whose sum is σ = 2923985088. Its totient is φ = 486897408.
The previous prime is 1420749443. The next prime is 1420749479. The reversal of 1420749470 is 749470241.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420749479) 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, 292784 + ... + 297596.
It is an arithmetic number, because the mean of its divisors is an integer number (91374534).
Almost surely, 21420749470 is an apocalyptic number.
1420749470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1420749470 is an abundant number, since it is smaller than the sum of its proper divisors (1503235618).
1420749470 is a wasteful number, since it uses less digits than its factorization.
1420749470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9044.
The product of its (nonzero) digits is 56448, while the sum is 38.
The square root of 1420749470 is about 37692.8304853854. The cubic root of 1420749470 is about 1124.1885757110.
The spelling of 1420749470 in words is "one billion, four hundred twenty million, seven hundred forty-nine thousand, four hundred seventy".
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