Base | Representation |
---|---|
bin | 11101010010000… |
… | …00011000000000 |
3 | 122010012022122121 |
4 | 32221000120000 |
5 | 1000340133324 |
6 | 40212414024 |
7 | 6041552542 |
oct | 1651003000 |
9 | 563168577 |
10 | 245630464 |
11 | 116719892 |
12 | 6a317314 |
13 | 3bb72891 |
14 | 2489d692 |
15 | 1686e5e4 |
hex | ea40600 |
245630464 has 80 divisors (see below), whose sum is σ = 517065120. Its totient is φ = 116408320.
The previous prime is 245630459. The next prime is 245630471. The reversal of 245630464 is 464036542.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1054092 + ... + 1054324.
It is an arithmetic number, because the mean of its divisors is an integer number (6463314).
Almost surely, 2245630464 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 245630464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258532560).
245630464 is an abundant number, since it is smaller than the sum of its proper divisors (271434656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245630464 is an equidigital number, since it uses as much as digits as its factorization.
245630464 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 351 (or 335 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 34.
The square root of 245630464 is about 15672.6023365617. The cubic root of 245630464 is about 626.2687519667.
The spelling of 245630464 in words is "two hundred forty-five million, six hundred thirty thousand, four hundred sixty-four".
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