Base | Representation |
---|---|
bin | 1011101101101… |
… | …1010011101100 |
3 | 10102110012111121 |
4 | 2323123103230 |
5 | 100034222110 |
6 | 4513030324 |
7 | 1134423154 |
oct | 273332354 |
9 | 112405447 |
10 | 49132780 |
11 | 25809204 |
12 | 145553a4 |
13 | a243768 |
14 | 674d764 |
15 | 44a7cda |
hex | 2edb4ec |
49132780 has 12 divisors (see below), whose sum is σ = 103178880. Its totient is φ = 19653104.
The previous prime is 49132777. The next prime is 49132793. The reversal of 49132780 is 8723194.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228300 + ... + 1228339.
It is an arithmetic number, because the mean of its divisors is an integer number (8598240).
Almost surely, 249132780 is an apocalyptic number.
It is an amenable number.
49132780 is an abundant number, since it is smaller than the sum of its proper divisors (54046100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49132780 is a wasteful number, since it uses less digits than its factorization.
49132780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2456648 (or 2456646 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 49132780 is about 7009.4778692853. The cubic root of 49132780 is about 366.2608052817.
The spelling of 49132780 in words is "forty-nine million, one hundred thirty-two thousand, seven hundred eighty".
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