Base | Representation |
---|---|
bin | 1001100010101… |
… | …11100101001011 |
3 | 12120121222122121 |
4 | 10301113211023 |
5 | 130443104012 |
6 | 11535432111 |
7 | 1661263255 |
oct | 461274513 |
9 | 176558577 |
10 | 80050507 |
11 | 41206149 |
12 | 22985637 |
13 | 1377a384 |
14 | a8bacd5 |
15 | 7063a07 |
hex | 4c5794b |
80050507 has 4 divisors (see below), whose sum is σ = 80339776. Its totient is φ = 79761240.
The previous prime is 80050493. The next prime is 80050519. The reversal of 80050507 is 70505008.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80050507 - 27 = 80050379 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80050547) 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, 144219 + ... + 144772.
It is an arithmetic number, because the mean of its divisors is an integer number (20084944).
Almost surely, 280050507 is an apocalyptic number.
80050507 is a deficient number, since it is larger than the sum of its proper divisors (289269).
80050507 is a wasteful number, since it uses less digits than its factorization.
80050507 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 289268.
The product of its (nonzero) digits is 1400, while the sum is 25.
The square root of 80050507 is about 8947.0948916394. The cubic root of 80050507 is about 430.9775972909.
The spelling of 80050507 in words is "eighty million, fifty thousand, five hundred seven".
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