Base | Representation |
---|---|
bin | 1011111010101… |
… | …0010110011110 |
3 | 10111001021210212 |
4 | 2332222112132 |
5 | 100243341310 |
6 | 4543132422 |
7 | 1144554464 |
oct | 276522636 |
9 | 114037725 |
10 | 49980830 |
11 | 26238379 |
12 | 148a4112 |
13 | a47c773 |
14 | 68d0834 |
15 | 45c4205 |
hex | 2faa59e |
49980830 has 32 divisors (see below), whose sum is σ = 95191200. Its totient is φ = 18842112.
The previous prime is 49980781. The next prime is 49980841. The reversal of 49980830 is 3808994.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43706 + ... + 44834.
It is an arithmetic number, because the mean of its divisors is an integer number (2974725).
Almost surely, 249980830 is an apocalyptic number.
49980830 is a deficient number, since it is larger than the sum of its proper divisors (45210370).
49980830 is a wasteful number, since it uses less digits than its factorization.
49980830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1388.
The product of its (nonzero) digits is 62208, while the sum is 41.
The square root of 49980830 is about 7069.7121582141. The cubic root of 49980830 is about 368.3560619231.
The spelling of 49980830 in words is "forty-nine million, nine hundred eighty thousand, eight hundred thirty".
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