Base | Representation |
---|---|
bin | 1101101011101100… |
… | …10001111001101010 |
3 | 200221221112222122111 |
4 | 12311312101321222 |
5 | 110021020404430 |
6 | 3212531312534 |
7 | 350015612605 |
oct | 66566217152 |
9 | 20857488574 |
10 | 7345872490 |
11 | 312a60a800 |
12 | 151014b74a |
13 | 900b75518 |
14 | 4d987133c |
15 | 2ced89c2a |
hex | 1b5d91e6a |
7345872490 has 24 divisors (see below), whose sum is σ = 14533902180. Its totient is φ = 2671225920.
The previous prime is 7345872487. The next prime is 7345872493. The reversal of 7345872490 is 942785437.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (7345872487) and next prime (7345872493).
It can be written as a sum of positive squares in 2 ways, for example, as 7116440881 + 229431609 = 84359^2 + 15147^2 .
It is not an unprimeable number, because it can be changed into a prime (7345872493) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3034275 + ... + 3036694.
Almost surely, 27345872490 is an apocalyptic number.
7345872490 is a deficient number, since it is larger than the sum of its proper divisors (7188029690).
7345872490 is a wasteful number, since it uses less digits than its factorization.
7345872490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6070998 (or 6070987 counting only the distinct ones).
The product of its (nonzero) digits is 1693440, while the sum is 49.
The square root of 7345872490 is about 85708.0654897776. The cubic root of 7345872490 is about 1943.9322666384.
The spelling of 7345872490 in words is "seven billion, three hundred forty-five million, eight hundred seventy-two thousand, four hundred ninety".
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