Base | Representation |
---|---|
bin | 1011111001001… |
… | …1000110100101 |
3 | 10110212110012000 |
4 | 2332103012211 |
5 | 100232314410 |
6 | 4541115513 |
7 | 1144010040 |
oct | 276230645 |
9 | 113773160 |
10 | 49885605 |
11 | 26182880 |
12 | 14858b99 |
13 | a448313 |
14 | 68a7c57 |
15 | 45a5dc0 |
hex | 2f931a5 |
49885605 has 64 divisors (see below), whose sum is σ = 110592000. Its totient is φ = 20727360.
The previous prime is 49885601. The next prime is 49885631. The reversal of 49885605 is 50658894.
49885605 is a `hidden beast` number, since 4 + 9 + 88 + 560 + 5 = 666.
It is not a de Polignac number, because 49885605 - 22 = 49885601 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49885601) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7996 + ... + 12794.
It is an arithmetic number, because the mean of its divisors is an integer number (1728000).
Almost surely, 249885605 is an apocalyptic number.
49885605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
49885605 is an abundant number, since it is smaller than the sum of its proper divisors (60706395).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49885605 is a wasteful number, since it uses less digits than its factorization.
49885605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4831 (or 4825 counting only the distinct ones).
The product of its (nonzero) digits is 345600, while the sum is 45.
The square root of 49885605 is about 7062.9742318658. The cubic root of 49885605 is about 368.1219788023.
The spelling of 49885605 in words is "forty-nine million, eight hundred eighty-five thousand, six hundred five".
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