Base | Representation |
---|---|
bin | 11101001101010… |
… | …11011111101010 |
3 | 122002001100010220 |
4 | 32212223133222 |
5 | 1000211130100 |
6 | 40151350510 |
7 | 6033432630 |
oct | 1646533752 |
9 | 562040126 |
10 | 245020650 |
11 | 116342706 |
12 | 6a082436 |
13 | 3b9bb144 |
14 | 24781350 |
15 | 1679daa0 |
hex | e9ab7ea |
245020650 has 48 divisors (see below), whose sum is σ = 694461504. Its totient is φ = 56004480.
The previous prime is 245020613. The next prime is 245020651. The reversal of 245020650 is 56020542.
It is a self number, because there is not a number n which added to its sum of digits gives 245020650.
It is not an unprimeable number, because it can be changed into a prime (245020651) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115627 + ... + 117726.
It is an arithmetic number, because the mean of its divisors is an integer number (14467948).
Almost surely, 2245020650 is an apocalyptic number.
245020650 is an abundant number, since it is smaller than the sum of its proper divisors (449440854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245020650 is a wasteful number, since it uses less digits than its factorization.
245020650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 233375 (or 233370 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 245020650 is about 15653.1354686529. The cubic root of 245020650 is about 625.7500541766.
The spelling of 245020650 in words is "two hundred forty-five million, twenty thousand, six hundred fifty".
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