Base | Representation |
---|---|
bin | 1011110101111… |
… | …0101110000000 |
3 | 10110110112212011 |
4 | 2331132232000 |
5 | 100203433130 |
6 | 4532342304 |
7 | 1142124346 |
oct | 275365600 |
9 | 113415764 |
10 | 49671040 |
11 | 26046651 |
12 | 14774994 |
13 | a3a1763 |
14 | 684d996 |
15 | 456252a |
hex | 2f5eb80 |
49671040 has 32 divisors (see below), whose sum is σ = 118746360. Its totient is φ = 19868160.
The previous prime is 49671023. The next prime is 49671079. The reversal of 49671040 is 4017694.
It is a tau number, because it is divible by the number of its divisors (32).
It is a super-4 number, since 4×496710404 (a number of 32 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 49670993 and 49671011.
It is a congruent number.
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, 38166 + ... + 39445.
Almost surely, 249671040 is an apocalyptic number.
49671040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
49671040 is an abundant number, since it is smaller than the sum of its proper divisors (69075320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49671040 is an equidigital number, since it uses as much as digits as its factorization.
49671040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77630 (or 77618 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 49671040 is about 7047.7684411450. The cubic root of 49671040 is about 367.5934388411.
The spelling of 49671040 in words is "forty-nine million, six hundred seventy-one thousand, forty".
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