Base | Representation |
---|---|
bin | 11010010001010… |
… | …11000000101011 |
3 | 120100200022120222 |
4 | 31020223000223 |
5 | 422404032011 |
6 | 33511240255 |
7 | 5314113632 |
oct | 1510530053 |
9 | 510608528 |
10 | 220377131 |
11 | 103440667 |
12 | 6197908b |
13 | 36870290 |
14 | 213a8519 |
15 | 14531ddb |
hex | d22b02b |
220377131 has 8 divisors (see below), whose sum is σ = 239199744. Its totient is φ = 201821760.
The previous prime is 220377077. The next prime is 220377139. The reversal of 220377131 is 131773022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 220377131 - 214 = 220360747 is a prime.
It is a super-2 number, since 2×2203771312 = 97132159735582322, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 220377131.
It is not an unprimeable number, because it can be changed into a prime (220377139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65090 + ... + 68391.
It is an arithmetic number, because the mean of its divisors is an integer number (29899968).
Almost surely, 2220377131 is an apocalyptic number.
220377131 is a deficient number, since it is larger than the sum of its proper divisors (18822613).
220377131 is a wasteful number, since it uses less digits than its factorization.
220377131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133621.
The product of its (nonzero) digits is 1764, while the sum is 26.
The square root of 220377131 is about 14845.1046139797. The cubic root of 220377131 is about 604.0258265275.
The spelling of 220377131 in words is "two hundred twenty million, three hundred seventy-seven thousand, one hundred thirty-one".
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