Base | Representation |
---|---|
bin | 1011101011110… |
… | …0111111110111 |
3 | 10102012220012111 |
4 | 2322330333313 |
5 | 100021234011 |
6 | 4510231451 |
7 | 1133365210 |
oct | 272747767 |
9 | 112186174 |
10 | 49008631 |
11 | 25733a01 |
12 | 144b5587 |
13 | a1cc0b9 |
14 | 671a407 |
15 | 4481121 |
hex | 2ebcff7 |
49008631 has 4 divisors (see below), whose sum is σ = 56009872. Its totient is φ = 42007392.
The previous prime is 49008629. The next prime is 49008667. The reversal of 49008631 is 13680094.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 49008631 - 21 = 49008629 is a prime.
It is a super-2 number, since 2×490086312 = 4803691824988322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 49008593 and 49008602.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49008431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3500610 + ... + 3500623.
It is an arithmetic number, because the mean of its divisors is an integer number (14002468).
Almost surely, 249008631 is an apocalyptic number.
49008631 is a deficient number, since it is larger than the sum of its proper divisors (7001241).
49008631 is an equidigital number, since it uses as much as digits as its factorization.
49008631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7001240.
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 49008631 is about 7000.6164728544. The cubic root of 49008631 is about 365.9520550930.
It can be divided in two parts, 4900 and 8631, that added together give a palindrome (13531).
The spelling of 49008631 in words is "forty-nine million, eight thousand, six hundred thirty-one".
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