Base | Representation |
---|---|
bin | 11010010011110… |
… | …00110000110001 |
3 | 120101021111110011 |
4 | 31021320300301 |
5 | 422444224401 |
6 | 33522134521 |
7 | 5316611260 |
oct | 1511706061 |
9 | 511244404 |
10 | 220695601 |
11 | 103638965 |
12 | 61ab1441 |
13 | 36952219 |
14 | 2144c5d7 |
15 | 14596451 |
hex | d278c31 |
220695601 has 8 divisors (see below), whose sum is σ = 252406784. Its totient is φ = 189030240.
The previous prime is 220695599. The next prime is 220695617. The reversal of 220695601 is 106596022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 220695601 - 21 = 220695599 is a prime.
It is not an unprimeable number, because it can be changed into a prime (220695641) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 420 + ... + 21013.
It is an arithmetic number, because the mean of its divisors is an integer number (31550848).
Almost surely, 2220695601 is an apocalyptic number.
It is an amenable number.
220695601 is a deficient number, since it is larger than the sum of its proper divisors (31711183).
220695601 is a wasteful number, since it uses less digits than its factorization.
220695601 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22911.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 220695601 is about 14855.8271732004. The cubic root of 220695601 is about 604.3166484710.
The spelling of 220695601 in words is "two hundred twenty million, six hundred ninety-five thousand, six hundred one".
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