Base | Representation |
---|---|
bin | 1001100100100… |
… | …00011110110001 |
3 | 12121001211100112 |
4 | 10302100132301 |
5 | 131023033234 |
6 | 11544431105 |
7 | 1663253612 |
oct | 462203661 |
9 | 177054315 |
10 | 80283569 |
11 | 41355263 |
12 | 22a78495 |
13 | 1382c492 |
14 | a93bc09 |
15 | 70acace |
hex | 4c907b1 |
80283569 has 4 divisors (see below), whose sum is σ = 84509040. Its totient is φ = 76058100.
The previous prime is 80283559. The next prime is 80283589. The reversal of 80283569 is 96538208.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80283569 is a prime.
It is a super-2 number, since 2×802835692 = 12890902902755522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80283509) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2112707 + ... + 2112744.
It is an arithmetic number, because the mean of its divisors is an integer number (21127260).
Almost surely, 280283569 is an apocalyptic number.
It is an amenable number.
80283569 is a deficient number, since it is larger than the sum of its proper divisors (4225471).
80283569 is a wasteful number, since it uses less digits than its factorization.
80283569 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4225470.
The product of its (nonzero) digits is 103680, while the sum is 41.
The square root of 80283569 is about 8960.1098765584. The cubic root of 80283569 is about 431.3954467322.
The spelling of 80283569 in words is "eighty million, two hundred eighty-three thousand, five hundred sixty-nine".
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