Base | Representation |
---|---|
bin | 110101000000… |
… | …0110101010000 |
3 | 1221021220122011 |
4 | 1222000311100 |
5 | 24103300142 |
6 | 2431352304 |
7 | 455134240 |
oct | 152006520 |
9 | 57256564 |
10 | 27790672 |
11 | 147615a8 |
12 | 9382694 |
13 | 59b04b0 |
14 | 3995b20 |
15 | 268e417 |
hex | 1a80d50 |
27790672 has 40 divisors (see below), whose sum is σ = 66273536. Its totient is φ = 10993536.
The previous prime is 27790669. The next prime is 27790717. The reversal of 27790672 is 27609772.
It is a super-3 number, since 3×277906723 (a number of 23 digits) contains 333 as substring.
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, 8088 + ... + 10999.
Almost surely, 227790672 is an apocalyptic number.
It is an amenable number.
27790672 is an abundant number, since it is smaller than the sum of its proper divisors (38482864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27790672 is a wasteful number, since it uses less digits than its factorization.
27790672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19115 (or 19109 counting only the distinct ones).
The product of its (nonzero) digits is 74088, while the sum is 40.
The square root of 27790672 is about 5271.6858783505. The cubic root of 27790672 is about 302.9002856032.
The spelling of 27790672 in words is "twenty-seven million, seven hundred ninety thousand, six hundred seventy-two".
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