Base | Representation |
---|---|
bin | 1011010111101… |
… | …0010010101110 |
3 | 10022201202000220 |
4 | 2311322102232 |
5 | 44201434310 |
6 | 4422032210 |
7 | 1116221442 |
oct | 265722256 |
9 | 108652026 |
10 | 47686830 |
11 | 24a10904 |
12 | 13b78666 |
13 | 9b58579 |
14 | 6494822 |
15 | 42be670 |
hex | 2d7a4ae |
47686830 has 16 divisors (see below), whose sum is σ = 114448464. Its totient is φ = 12716480.
The previous prime is 47686783. The next prime is 47686831. The reversal of 47686830 is 3868674.
It is a super-3 number, since 3×476868303 (a number of 24 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47686831) 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, 794751 + ... + 794810.
It is an arithmetic number, because the mean of its divisors is an integer number (7153029).
Almost surely, 247686830 is an apocalyptic number.
47686830 is an abundant number, since it is smaller than the sum of its proper divisors (66761634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47686830 is a wasteful number, since it uses less digits than its factorization.
47686830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1589571.
The product of its (nonzero) digits is 193536, while the sum is 42.
The square root of 47686830 is about 6905.5651470390. The cubic root of 47686830 is about 362.6320216704.
It can be divided in two parts, 47686 and 830, that added together give a triangular number (48516 = T311).
The spelling of 47686830 in words is "forty-seven million, six hundred eighty-six thousand, eight hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •