Base | Representation |
---|---|
bin | 1110101101000101… |
… | …00011101001110100 |
3 | 202101011121112222002 |
4 | 13112202203221310 |
5 | 112131423203302 |
6 | 3343203154432 |
7 | 366425604662 |
oct | 72642435164 |
9 | 22334545862 |
10 | 7894350452 |
11 | 339117837a |
12 | 1643975a18 |
13 | 98a6a1cb1 |
14 | 54c645c32 |
15 | 3130cbc02 |
hex | 1d68a3a74 |
7894350452 has 48 divisors (see below), whose sum is σ = 14769714960. Its totient is φ = 3679076352.
The previous prime is 7894350383. The next prime is 7894350461. The reversal of 7894350452 is 2540534987.
It can be written as a sum of positive squares in 8 ways, for example, as 1094116 + 7893256336 = 1046^2 + 88844^2 .
It is a junction number, because it is equal to n+sod(n) for n = 7894350397 and 7894350406.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5523674 + ... + 5525102.
It is an arithmetic number, because the mean of its divisors is an integer number (307702395).
Almost surely, 27894350452 is an apocalyptic number.
It is an amenable number.
7894350452 is a deficient number, since it is larger than the sum of its proper divisors (6875364508).
7894350452 is a wasteful number, since it uses less digits than its factorization.
7894350452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2180 (or 2178 counting only the distinct ones).
The product of its (nonzero) digits is 1209600, while the sum is 47.
The square root of 7894350452 is about 88850.1572986790. The cubic root of 7894350452 is about 1991.1568277818.
The spelling of 7894350452 in words is "seven billion, eight hundred ninety-four million, three hundred fifty thousand, four hundred fifty-two".
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