Base | Representation |
---|---|
bin | 10010100110010… |
… | …011001110001101 |
3 | 210202010202211010 |
4 | 102212103032031 |
5 | 1114334430333 |
6 | 50543515433 |
7 | 10506132504 |
oct | 2246231615 |
9 | 722122733 |
10 | 312030093 |
11 | 150150911 |
12 | 885b8b79 |
13 | 4c8506bb |
14 | 2d62583b |
15 | 1c5d8563 |
hex | 1299338d |
312030093 has 8 divisors (see below), whose sum is σ = 416461408. Its totient is φ = 207809424.
The previous prime is 312030071. The next prime is 312030143. The reversal of 312030093 is 390030213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 312030093 - 222 = 307835789 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312030193) 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, 49171 + ... + 55152.
It is an arithmetic number, because the mean of its divisors is an integer number (52057676).
Almost surely, 2312030093 is an apocalyptic number.
It is an amenable number.
312030093 is a deficient number, since it is larger than the sum of its proper divisors (104431315).
312030093 is a wasteful number, since it uses less digits than its factorization.
312030093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105323.
The product of its (nonzero) digits is 486, while the sum is 21.
The square root of 312030093 is about 17664.3735524360. The cubic root of 312030093 is about 678.2640938261.
The spelling of 312030093 in words is "three hundred twelve million, thirty thousand, ninety-three".
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