Base | Representation |
---|---|
bin | 110101000110… |
… | …0001000101010 |
3 | 1221101021010220 |
4 | 1222030020222 |
5 | 24111240340 |
6 | 2432350510 |
7 | 455416230 |
oct | 152141052 |
9 | 57337126 |
10 | 27836970 |
11 | 14793367 |
12 | 93a5436 |
13 | 59c85a5 |
14 | 39a8950 |
15 | 269ced0 |
hex | 1a8c22a |
27836970 has 64 divisors (see below), whose sum is σ = 77469696. Its totient is φ = 6269760.
The previous prime is 27836951. The next prime is 27836971. The reversal of 27836970 is 7963872.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (27836971) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13977 + ... + 15843.
It is an arithmetic number, because the mean of its divisors is an integer number (1210464).
Almost surely, 227836970 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27836970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38734848).
27836970 is an abundant number, since it is smaller than the sum of its proper divisors (49632726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27836970 is a wasteful number, since it uses less digits than its factorization.
27836970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1955.
The product of its (nonzero) digits is 127008, while the sum is 42.
The square root of 27836970 is about 5276.0752458622. The cubic root of 27836970 is about 303.0683983309.
The spelling of 27836970 in words is "twenty-seven million, eight hundred thirty-six thousand, nine hundred seventy".
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