Base | Representation |
---|---|
bin | 1011101111000… |
… | …0001111101101 |
3 | 10102121120010221 |
4 | 2323300033231 |
5 | 100044443131 |
6 | 4514531341 |
7 | 1135231201 |
oct | 273601755 |
9 | 112546127 |
10 | 49218541 |
11 | 25867689 |
12 | 14596b51 |
13 | a2737c8 |
14 | 6772b01 |
15 | 44c3411 |
hex | 2ef03ed |
49218541 has 8 divisors (see below), whose sum is σ = 50423040. Its totient is φ = 48020688.
The previous prime is 49218523. The next prime is 49218563. The reversal of 49218541 is 14581294.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 49218541 - 213 = 49210349 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 49218497 and 49218506.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49218581) 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, 15415 + ... + 18331.
It is an arithmetic number, because the mean of its divisors is an integer number (6302880).
Almost surely, 249218541 is an apocalyptic number.
It is an amenable number.
49218541 is a deficient number, since it is larger than the sum of its proper divisors (1204499).
49218541 is a wasteful number, since it uses less digits than its factorization.
49218541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3323.
The product of its digits is 11520, while the sum is 34.
The square root of 49218541 is about 7015.5927048254. The cubic root of 49218541 is about 366.4737834929.
The spelling of 49218541 in words is "forty-nine million, two hundred eighteen thousand, five hundred forty-one".
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