Base | Representation |
---|---|
bin | 11101010000011… |
… | …11100011110000 |
3 | 122002211011100222 |
4 | 32220033203300 |
5 | 1000312234022 |
6 | 40204232212 |
7 | 6040060565 |
oct | 1650174360 |
9 | 562734328 |
10 | 245430512 |
11 | 1165a2638 |
12 | 6a23b668 |
13 | 3bb02872 |
14 | 2484a86c |
15 | 16830242 |
hex | ea0f8f0 |
245430512 has 10 divisors (see below), whose sum is σ = 475521648. Its totient is φ = 122715248.
The previous prime is 245430487. The next prime is 245430517. The reversal of 245430512 is 215034542.
It is a happy number.
245430512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2454305122 = 120472272441164288, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245430517) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7669688 + ... + 7669719.
Almost surely, 2245430512 is an apocalyptic number.
It is an amenable number.
245430512 is a deficient number, since it is larger than the sum of its proper divisors (230091136).
245430512 is a wasteful number, since it uses less digits than its factorization.
245430512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15339415 (or 15339409 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 26.
The square root of 245430512 is about 15666.2220078741. Note that the first 3 decimals coincide. The cubic root of 245430512 is about 626.0987707658.
The spelling of 245430512 in words is "two hundred forty-five million, four hundred thirty thousand, five hundred twelve".
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