Base | Representation |
---|---|
bin | 1011111010100… |
… | …1110101100010 |
3 | 10111001011220210 |
4 | 2332221311202 |
5 | 100243304342 |
6 | 4543114550 |
7 | 1144545363 |
oct | 276516542 |
9 | 114034823 |
10 | 49978722 |
11 | 26236832 |
12 | 148a2a56 |
13 | a47b811 |
14 | 68cdb6a |
15 | 45c379c |
hex | 2fa9d62 |
49978722 has 16 divisors (see below), whose sum is σ = 100058112. Its totient is φ = 16642800.
The previous prime is 49978711. The next prime is 49978729. The reversal of 49978722 is 22787994.
It is not an unprimeable number, because it can be changed into a prime (49978729) 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, 3288 + ... + 10524.
It is an arithmetic number, because the mean of its divisors is an integer number (6253632).
Almost surely, 249978722 is an apocalyptic number.
49978722 is an abundant number, since it is smaller than the sum of its proper divisors (50079390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49978722 is a wasteful number, since it uses less digits than its factorization.
49978722 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8393.
The product of its digits is 508032, while the sum is 48.
The square root of 49978722 is about 7069.5630699499. The cubic root of 49978722 is about 368.3508832343.
The spelling of 49978722 in words is "forty-nine million, nine hundred seventy-eight thousand, seven hundred twenty-two".
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