Base | Representation |
---|---|
bin | 1001100010100… |
… | …01010111000101 |
3 | 12120120200200222 |
4 | 10301101113011 |
5 | 130441300104 |
6 | 11535114125 |
7 | 1661126060 |
oct | 461212705 |
9 | 176520628 |
10 | 80025029 |
11 | 41198a97 |
12 | 22972945 |
13 | 1376b8b6 |
14 | a8b18d7 |
15 | 705b1be |
hex | 4c515c5 |
80025029 has 8 divisors (see below), whose sum is σ = 91528320. Its totient is φ = 68539536.
The previous prime is 80024999. The next prime is 80025037. The reversal of 80025029 is 92052008.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80025029 - 224 = 63247813 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80024989 and 80025007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80025089) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7247 + ... + 14579.
It is an arithmetic number, because the mean of its divisors is an integer number (11441040).
Almost surely, 280025029 is an apocalyptic number.
It is an amenable number.
80025029 is a deficient number, since it is larger than the sum of its proper divisors (11503291).
80025029 is a wasteful number, since it uses less digits than its factorization.
80025029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8899.
The product of its (nonzero) digits is 1440, while the sum is 26.
The square root of 80025029 is about 8945.6709642150. The cubic root of 80025029 is about 430.9318694425.
It can be divided in two parts, 8002 and 5029, that added together give a palindrome (13031).
The spelling of 80025029 in words is "eighty million, twenty-five thousand, twenty-nine".
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