Base | Representation |
---|---|
bin | 11110010001110… |
… | …101000111000111 |
3 | 1022101212120220220 |
4 | 132101311013013 |
5 | 2020021143341 |
6 | 122223555423 |
7 | 15405563532 |
oct | 3621650707 |
9 | 1271776826 |
10 | 507990471 |
11 | 24082483a |
12 | 12215bb73 |
13 | 813220a1 |
14 | 4b675a19 |
15 | 2e8e5a66 |
hex | 1e4751c7 |
507990471 has 8 divisors (see below), whose sum is σ = 680279280. Its totient is φ = 337180992.
The previous prime is 507990463. The next prime is 507990473. The reversal of 507990471 is 174099705.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 507990471 - 23 = 507990463 is a prime.
It is a super-3 number, since 3×5079904713 (a number of 27 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (507990473) 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, 369030 + ... + 370403.
It is an arithmetic number, because the mean of its divisors is an integer number (85034910).
Almost surely, 2507990471 is an apocalyptic number.
507990471 is a deficient number, since it is larger than the sum of its proper divisors (172288809).
507990471 is a wasteful number, since it uses less digits than its factorization.
507990471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 739665.
The product of its (nonzero) digits is 79380, while the sum is 42.
The square root of 507990471 is about 22538.6439476735. The cubic root of 507990471 is about 797.9062285780.
The spelling of 507990471 in words is "five hundred seven million, nine hundred ninety thousand, four hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •