Base | Representation |
---|---|
bin | 1001100111001… |
… | …00000100111100 |
3 | 12121201020001102 |
4 | 10303210010330 |
5 | 131120012410 |
6 | 12000032232 |
7 | 1666211111 |
oct | 463440474 |
9 | 177636042 |
10 | 80625980 |
11 | 41569546 |
12 | 23002678 |
13 | 1391c2a6 |
14 | a9ca908 |
15 | 71292a5 |
hex | 4ce413c |
80625980 has 24 divisors (see below), whose sum is σ = 169814400. Its totient is φ = 32155200.
The previous prime is 80625959. The next prime is 80626001. The reversal of 80625980 is 8952608.
It is an interprime number because it is at equal distance from previous prime (80625959) and next prime (80626001).
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205 + ... + 12755.
It is an arithmetic number, because the mean of its divisors is an integer number (7075600).
Almost surely, 280625980 is an apocalyptic number.
It is an amenable number.
80625980 is an abundant number, since it is smaller than the sum of its proper divisors (89188420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80625980 is a wasteful number, since it uses less digits than its factorization.
80625980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11909 (or 11907 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 38.
The square root of 80625980 is about 8979.1970687807. The cubic root of 80625980 is about 432.0078802289.
The spelling of 80625980 in words is "eighty million, six hundred twenty-five thousand, nine hundred eighty".
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