Base | Representation |
---|---|
bin | 11011001011000… |
… | …01101000110100 |
3 | 120212220121011011 |
4 | 31211201220310 |
5 | 431323102131 |
6 | 34341322004 |
7 | 5435315530 |
oct | 1545415064 |
9 | 525817134 |
10 | 227940916 |
11 | 107737425 |
12 | 64406304 |
13 | 382baca8 |
14 | 223b6bc0 |
15 | 150280b1 |
hex | d961a34 |
227940916 has 48 divisors (see below), whose sum is σ = 467026560. Its totient is φ = 95322240.
The previous prime is 227940883. The next prime is 227940931. The reversal of 227940916 is 619049722.
227940916 = T383 + T384 + ... + T1124.
It is a super-2 number, since 2×2279409162 = 103914122373838112, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398911 + ... + 399481.
It is an arithmetic number, because the mean of its divisors is an integer number (9729720).
Almost surely, 2227940916 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 227940916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233513280).
227940916 is an abundant number, since it is smaller than the sum of its proper divisors (239085644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227940916 is a wasteful number, since it uses less digits than its factorization.
227940916 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 904 (or 902 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 40.
The square root of 227940916 is about 15097.7122770306. The cubic root of 227940916 is about 610.8586992654.
The spelling of 227940916 in words is "two hundred twenty-seven million, nine hundred forty thousand, nine hundred sixteen".
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