Base | Representation |
---|---|
bin | 11101001101010… |
… | …00111010101010 |
3 | 122002000210122210 |
4 | 32212220322222 |
5 | 1000210310330 |
6 | 40151225550 |
7 | 6033360063 |
oct | 1646507252 |
9 | 562023583 |
10 | 245010090 |
11 | 116335786 |
12 | 6a0782b6 |
13 | 3b9b63b0 |
14 | 2477b56a |
15 | 1679a8b0 |
hex | e9a8eaa |
245010090 has 32 divisors (see below), whose sum is σ = 633257856. Its totient is φ = 60310080.
The previous prime is 245010061. The next prime is 245010097. The reversal of 245010090 is 90010542.
It is not an unprimeable number, because it can be changed into a prime (245010097) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313726 + ... + 314505.
It is an arithmetic number, because the mean of its divisors is an integer number (19789308).
Almost surely, 2245010090 is an apocalyptic number.
245010090 is an abundant number, since it is smaller than the sum of its proper divisors (388247766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245010090 is a wasteful number, since it uses less digits than its factorization.
245010090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 628254.
The product of its (nonzero) digits is 360, while the sum is 21.
The square root of 245010090 is about 15652.7981524071. The cubic root of 245010090 is about 625.7410644370.
The spelling of 245010090 in words is "two hundred forty-five million, ten thousand, ninety".
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