Base | Representation |
---|---|
bin | 11100001100010… |
… | …011001001101100 |
3 | 1012222000012010011 |
4 | 130030103021230 |
5 | 1432041024340 |
6 | 114533423004 |
7 | 14502213400 |
oct | 3414231154 |
9 | 1188005104 |
10 | 472986220 |
11 | 222a96603 |
12 | 11249aa64 |
13 | 76cb7405 |
14 | 46b63100 |
15 | 2b7ce0ea |
hex | 1c31326c |
472986220 has 72 divisors (see below), whose sum is σ = 1192786560. Its totient is φ = 156925440.
The previous prime is 472986211. The next prime is 472986287. The reversal of 472986220 is 22689274.
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 23 ways as a sum of consecutive naturals, for example, 22596 + ... + 38164.
It is an arithmetic number, because the mean of its divisors is an integer number (16566480).
Almost surely, 2472986220 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 472986220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596393280).
472986220 is an abundant number, since it is smaller than the sum of its proper divisors (719800340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
472986220 is a wasteful number, since it uses less digits than its factorization.
472986220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15623 (or 15614 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 40.
The square root of 472986220 is about 21748.2463660866. The cubic root of 472986220 is about 779.1411871269.
The spelling of 472986220 in words is "four hundred seventy-two million, nine hundred eighty-six thousand, two hundred twenty".
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