Base | Representation |
---|---|
bin | 11100001001010… |
… | …001011110000011 |
3 | 1012220111212212220 |
4 | 130021101132003 |
5 | 1431340133044 |
6 | 114504422123 |
7 | 14462400453 |
oct | 3411213603 |
9 | 1186455786 |
10 | 472192899 |
11 | 2225a4572 |
12 | 112177943 |
13 | 76a9a2a9 |
14 | 469d7d63 |
15 | 2b6c4019 |
hex | 1c251783 |
472192899 has 16 divisors (see below), whose sum is σ = 650916864. Its totient is φ = 304164000.
The previous prime is 472192849. The next prime is 472192909. The reversal of 472192899 is 998291274.
It is a Cunningham number, because it is equal to 217302-1.
It is not a de Polignac number, because 472192899 - 212 = 472188803 is a prime.
It is a super-2 number, since 2×4721928992 = 445932267732048402, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (472192849) 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 15 ways as a sum of consecutive naturals, for example, 61572 + ... + 68814.
It is an arithmetic number, because the mean of its divisors is an integer number (40682304).
Almost surely, 2472192899 is an apocalyptic number.
472192899 is a deficient number, since it is larger than the sum of its proper divisors (178723965).
472192899 is a wasteful number, since it uses less digits than its factorization.
472192899 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7978.
The product of its digits is 653184, while the sum is 51.
The square root of 472192899 is about 21729.9999769903. Note that the first 4 decimals coincide. The cubic root of 472192899 is about 778.7053358353.
The spelling of 472192899 in words is "four hundred seventy-two million, one hundred ninety-two thousand, eight hundred ninety-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •