Base | Representation |
---|---|
bin | 11101001110010… |
… | …01001111110010 |
3 | 122002021112022101 |
4 | 32213021033302 |
5 | 1000224030024 |
6 | 40154131014 |
7 | 6034451131 |
oct | 1647111762 |
9 | 562245271 |
10 | 245142514 |
11 | 116416221 |
12 | 6a120a6a |
13 | 3ba31756 |
14 | 247b3918 |
15 | 167c4c44 |
hex | e9c93f2 |
245142514 has 4 divisors (see below), whose sum is σ = 367713774. Its totient is φ = 122571256.
The previous prime is 245142509. The next prime is 245142529. The reversal of 245142514 is 415241542.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 229674025 + 15468489 = 15155^2 + 3933^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61285627 + ... + 61285630.
Almost surely, 2245142514 is an apocalyptic number.
245142514 is a deficient number, since it is larger than the sum of its proper divisors (122571260).
245142514 is a wasteful number, since it uses less digits than its factorization.
245142514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122571259.
The product of its digits is 6400, while the sum is 28.
The square root of 245142514 is about 15657.0276234029. The cubic root of 245142514 is about 625.8537784487.
It can be divided in two parts, 24514 and 2514, that added together give a triangular number (27028 = T232).
The spelling of 245142514 in words is "two hundred forty-five million, one hundred forty-two thousand, five hundred fourteen".
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