Base | Representation |
---|---|
bin | 1011101110110… |
… | …1011001101010 |
3 | 10102120222011102 |
4 | 2323231121222 |
5 | 100044110030 |
6 | 4514401402 |
7 | 1135152215 |
oct | 273553152 |
9 | 112528142 |
10 | 49206890 |
11 | 25859957 |
12 | 14590262 |
13 | a26b405 |
14 | 676c77c |
15 | 44bec45 |
hex | 2eed66a |
49206890 has 16 divisors (see below), whose sum is σ = 92423808. Its totient is φ = 18826896.
The previous prime is 49206869. The next prime is 49206893. The reversal of 49206890 is 9860294.
It is not an unprimeable number, because it can be changed into a prime (49206893) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106742 + ... + 107201.
It is an arithmetic number, because the mean of its divisors is an integer number (5776488).
Almost surely, 249206890 is an apocalyptic number.
49206890 is a deficient number, since it is larger than the sum of its proper divisors (43216918).
49206890 is a wasteful number, since it uses less digits than its factorization.
49206890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 213973.
The product of its (nonzero) digits is 31104, while the sum is 38.
The square root of 49206890 is about 7014.7622910545. The cubic root of 49206890 is about 366.4448640185. Note that the first 3 decimals are identical.
The spelling of 49206890 in words is "forty-nine million, two hundred six thousand, eight hundred ninety".
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