Base | Representation |
---|---|
bin | 11011001000100… |
… | …01100100101010 |
3 | 120212021221022000 |
4 | 31210101210222 |
5 | 431232103340 |
6 | 34330311430 |
7 | 5432451444 |
oct | 1544214452 |
9 | 525257260 |
10 | 227612970 |
11 | 107532aa2 |
12 | 64288576 |
13 | 38204940 |
14 | 2232d494 |
15 | 14eb0d30 |
hex | d91192a |
227612970 has 128 divisors (see below), whose sum is σ = 688262400. Its totient is φ = 53063424.
The previous prime is 227612933. The next prime is 227612971. The reversal of 227612970 is 79216722.
It is a super-2 number, since 2×2276129702 = 103615328224441800, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (227612971) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64984 + ... + 68396.
It is an arithmetic number, because the mean of its divisors is an integer number (5377050).
Almost surely, 2227612970 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 227612970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344131200).
227612970 is an abundant number, since it is smaller than the sum of its proper divisors (460649430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227612970 is a wasteful number, since it uses less digits than its factorization.
227612970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3461 (or 3455 counting only the distinct ones).
The product of its (nonzero) digits is 21168, while the sum is 36.
The square root of 227612970 is about 15086.8475832428. The cubic root of 227612970 is about 610.5656045744.
The spelling of 227612970 in words is "two hundred twenty-seven million, six hundred twelve thousand, nine hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •