Base | Representation |
---|---|
bin | 1011111010110… |
… | …1011100011111 |
3 | 10111001221012020 |
4 | 2332231130133 |
5 | 100244243003 |
6 | 4543311223 |
7 | 1144636440 |
oct | 276553437 |
9 | 114057166 |
10 | 49993503 |
11 | 2624694a |
12 | 148ab513 |
13 | a485471 |
14 | 68d52c7 |
15 | 45c7d53 |
hex | 2fad71f |
49993503 has 32 divisors (see below), whose sum is σ = 81008640. Its totient is φ = 26788320.
The previous prime is 49993501. The next prime is 49993507. The reversal of 49993503 is 30539994.
It is a happy number.
It is not a de Polignac number, because 49993503 - 21 = 49993501 is a prime.
It is a super-2 number, since 2×499935032 = 4998700684422018, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49993501) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42108 + ... + 43278.
It is an arithmetic number, because the mean of its divisors is an integer number (2531520).
Almost surely, 249993503 is an apocalyptic number.
49993503 is a deficient number, since it is larger than the sum of its proper divisors (31015137).
49993503 is a wasteful number, since it uses less digits than its factorization.
49993503 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1307.
The product of its (nonzero) digits is 131220, while the sum is 42.
The square root of 49993503 is about 7070.6083896649. The cubic root of 49993503 is about 368.3871924044.
The spelling of 49993503 in words is "forty-nine million, nine hundred ninety-three thousand, five hundred three".
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