Base | Representation |
---|---|
bin | 1001100110010… |
… | …00110000010110 |
3 | 12121111112112121 |
4 | 10303020300112 |
5 | 131102422240 |
6 | 11553410154 |
7 | 1665233620 |
oct | 463106026 |
9 | 177445477 |
10 | 80514070 |
11 | 414a245a |
12 | 22b6995a |
13 | 138b0380 |
14 | a99bc10 |
15 | 710604a |
hex | 4cc8c16 |
80514070 has 64 divisors (see below), whose sum is σ = 180311040. Its totient is φ = 25204608.
The previous prime is 80514061. The next prime is 80514073. The reversal of 80514070 is 7041508.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80514073) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93301 + ... + 94159.
It is an arithmetic number, because the mean of its divisors is an integer number (2817360).
Almost surely, 280514070 is an apocalyptic number.
80514070 is an abundant number, since it is smaller than the sum of its proper divisors (99796970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80514070 is a wasteful number, since it uses less digits than its factorization.
80514070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 989.
The product of its (nonzero) digits is 1120, while the sum is 25.
The square root of 80514070 is about 8972.9632786499. The cubic root of 80514070 is about 431.8079099983.
Adding to 80514070 its reverse (7041508), we get a palindrome (87555578).
It can be divided in two parts, 8051 and 4070, that added together give a palindrome (12121).
The spelling of 80514070 in words is "eighty million, five hundred fourteen thousand, seventy".
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