Base | Representation |
---|---|
bin | 1011110111111… |
… | …1111001110101 |
3 | 10110201110022102 |
4 | 2331333321311 |
5 | 100222310330 |
6 | 4535311445 |
7 | 1143231545 |
oct | 275777165 |
9 | 113643272 |
10 | 49806965 |
11 | 2612978a |
12 | 1481b585 |
13 | a41b5a0 |
14 | 6887325 |
15 | 458c945 |
hex | 2f7fe75 |
49806965 has 8 divisors (see below), whose sum is σ = 64366008. Its totient is φ = 36780480.
The previous prime is 49806959. The next prime is 49806971. The reversal of 49806965 is 56960894.
It is an interprime number because it is at equal distance from previous prime (49806959) and next prime (49806971).
It can be written as a sum of positive squares in 4 ways, for example, as 1267876 + 48539089 = 1126^2 + 6967^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 49806965 - 216 = 49741429 is a prime.
It is a super-2 number, since 2×498069652 = 4961467525022450, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383066 + ... + 383195.
It is an arithmetic number, because the mean of its divisors is an integer number (8045751).
Almost surely, 249806965 is an apocalyptic number.
It is an amenable number.
49806965 is a deficient number, since it is larger than the sum of its proper divisors (14559043).
49806965 is a wasteful number, since it uses less digits than its factorization.
49806965 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 766279.
The product of its (nonzero) digits is 466560, while the sum is 47.
The square root of 49806965 is about 7057.4049763351. The cubic root of 49806965 is about 367.9284404218.
The spelling of 49806965 in words is "forty-nine million, eight hundred six thousand, nine hundred sixty-five".
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