Base | Representation |
---|---|
bin | 1011101100011… |
… | …1000000011111 |
3 | 10102021222110000 |
4 | 2323013000133 |
5 | 100024042011 |
6 | 4511145343 |
7 | 1133625561 |
oct | 273070037 |
9 | 112258400 |
10 | 49049631 |
11 | 25761794 |
12 | 14515253 |
13 | a214967 |
14 | 672b331 |
15 | 448d356 |
hex | 2ec701f |
49049631 has 10 divisors (see below), whose sum is σ = 73271792. Its totient is φ = 32699700.
The previous prime is 49049629. The next prime is 49049633. The reversal of 49049631 is 13694094.
It is an interprime number because it is at equal distance from previous prime (49049629) and next prime (49049633).
It is not a de Polignac number, because 49049631 - 21 = 49049629 is a prime.
It is a super-2 number, since 2×490496312 = 4811732602472322, 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 (49049633) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 302695 + ... + 302856.
Almost surely, 249049631 is an apocalyptic number.
49049631 is a deficient number, since it is larger than the sum of its proper divisors (24222161).
49049631 is an equidigital number, since it uses as much as digits as its factorization.
49049631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 605563 (or 605554 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 36.
The square root of 49049631 is about 7003.5441742021. The cubic root of 49049631 is about 366.0540769331.
It can be divided in two parts, 4904 and 9631, that added together give a triangular number (14535 = T170).
The spelling of 49049631 in words is "forty-nine million, forty-nine thousand, six hundred thirty-one".
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