Base | Representation |
---|---|
bin | 11011111111111… |
… | …011110111110110 |
3 | 1012201220112012020 |
4 | 123333323313312 |
5 | 1430223321032 |
6 | 114340134010 |
7 | 14432524236 |
oct | 3377736766 |
9 | 1181815166 |
10 | 469745142 |
11 | 221182529 |
12 | 111397306 |
13 | 76421109 |
14 | 4655bcc6 |
15 | 2b38db2c |
hex | 1bffbdf6 |
469745142 has 16 divisors (see below), whose sum is σ = 948793392. Its totient is φ = 155031200.
The previous prime is 469745069. The next prime is 469745149. The reversal of 469745142 is 241547964.
It is a junction number, because it is equal to n+sod(n) for n = 469745094 and 469745103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (469745149) 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, 386973 + ... + 388184.
It is an arithmetic number, because the mean of its divisors is an integer number (59299587).
Almost surely, 2469745142 is an apocalyptic number.
469745142 is an abundant number, since it is smaller than the sum of its proper divisors (479048250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
469745142 is a wasteful number, since it uses less digits than its factorization.
469745142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 775263.
The product of its digits is 241920, while the sum is 42.
The square root of 469745142 is about 21673.6047301781. The cubic root of 469745142 is about 777.3574512842.
The spelling of 469745142 in words is "four hundred sixty-nine million, seven hundred forty-five thousand, one hundred forty-two".
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