Base | Representation |
---|---|
bin | 1011110101100… |
… | …0011101011101 |
3 | 10110102020200201 |
4 | 2331120131131 |
5 | 100202123110 |
6 | 4532023501 |
7 | 1141656535 |
oct | 275303535 |
9 | 113366621 |
10 | 49645405 |
11 | 26029367 |
12 | 14761b91 |
13 | a392ba4 |
14 | 68444c5 |
15 | 4559b3a |
hex | 2f5875d |
49645405 has 8 divisors (see below), whose sum is σ = 59628384. Its totient is φ = 39680400.
The previous prime is 49645403. The next prime is 49645411. The reversal of 49645405 is 50454694.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 49645405 - 21 = 49645403 is a prime.
It is a super-2 number, since 2×496454052 = 4929332475228050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49645403) 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, 2610 + ... + 10300.
It is an arithmetic number, because the mean of its divisors is an integer number (7453548).
Almost surely, 249645405 is an apocalyptic number.
It is an amenable number.
49645405 is a deficient number, since it is larger than the sum of its proper divisors (9982979).
49645405 is a wasteful number, since it uses less digits than its factorization.
49645405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8987.
The product of its (nonzero) digits is 86400, while the sum is 37.
The square root of 49645405 is about 7045.9495456610. The cubic root of 49645405 is about 367.5301901864.
The spelling of 49645405 in words is "forty-nine million, six hundred forty-five thousand, four hundred five".
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