Base | Representation |
---|---|
bin | 1011110111111… |
… | …1110000001001 |
3 | 10110201102110110 |
4 | 2331333300021 |
5 | 100222300340 |
6 | 4535304533 |
7 | 1143230001 |
oct | 275776011 |
9 | 113642413 |
10 | 49806345 |
11 | 26129276 |
12 | 1481b149 |
13 | a41b214 |
14 | 6887001 |
15 | 458c680 |
hex | 2f7fc09 |
49806345 has 16 divisors (see below), whose sum is σ = 84378240. Its totient is φ = 25000704.
The previous prime is 49806307. The next prime is 49806347. The reversal of 49806345 is 54360894.
It is not a de Polignac number, because 49806345 - 27 = 49806217 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (49806347) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97405 + ... + 97914.
It is an arithmetic number, because the mean of its divisors is an integer number (5273640).
Almost surely, 249806345 is an apocalyptic number.
It is an amenable number.
49806345 is a deficient number, since it is larger than the sum of its proper divisors (34571895).
49806345 is a wasteful number, since it uses less digits than its factorization.
49806345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 195344.
The product of its (nonzero) digits is 103680, while the sum is 39.
The square root of 49806345 is about 7057.3610507044. The cubic root of 49806345 is about 367.9269137506.
It can be divided in two parts, 4980 and 6345, that added together give a triangular number (11325 = T150).
The spelling of 49806345 in words is "forty-nine million, eight hundred six thousand, three hundred forty-five".
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