Base | Representation |
---|---|
bin | 1011110010101… |
… | …1100110110000 |
3 | 10110001220200002 |
4 | 2330223212300 |
5 | 100130233210 |
6 | 4524045132 |
7 | 1140263102 |
oct | 274534660 |
9 | 113056602 |
10 | 49461680 |
11 | 25a13324 |
12 | 146937a8 |
13 | a32a388 |
14 | 67d7572 |
15 | 45204a5 |
hex | 2f2b9b0 |
49461680 has 20 divisors (see below), whose sum is σ = 114998592. Its totient is φ = 19784640.
The previous prime is 49461677. The next prime is 49461683. The reversal of 49461680 is 8616494.
It is an interprime number because it is at equal distance from previous prime (49461677) and next prime (49461683).
It is a tau number, because it is divible by the number of its divisors (20).
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (49461683) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309056 + ... + 309215.
Almost surely, 249461680 is an apocalyptic number.
49461680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
49461680 is an abundant number, since it is smaller than the sum of its proper divisors (65536912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49461680 is a wasteful number, since it uses less digits than its factorization.
49461680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 618284 (or 618278 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 38.
The square root of 49461680 is about 7032.8998286624. The cubic root of 49461680 is about 367.0762512110.
The spelling of 49461680 in words is "forty-nine million, four hundred sixty-one thousand, six hundred eighty".
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