Base | Representation |
---|---|
bin | 11101001111111… |
… | …00001101010101 |
3 | 122002200010122110 |
4 | 32213330031111 |
5 | 1000302220003 |
6 | 40202421233 |
7 | 6036310530 |
oct | 1647741525 |
9 | 562603573 |
10 | 245351253 |
11 | 116549034 |
12 | 6a201819 |
13 | 3baa5774 |
14 | 24829a17 |
15 | 16816a03 |
hex | e9fc355 |
245351253 has 32 divisors (see below), whose sum is σ = 383358976. Its totient is φ = 136686528.
The previous prime is 245351251. The next prime is 245351269. The reversal of 245351253 is 352153542.
It is not a de Polignac number, because 245351253 - 21 = 245351251 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 245351253.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245351251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144075 + ... + 145767.
It is an arithmetic number, because the mean of its divisors is an integer number (11979968).
Almost surely, 2245351253 is an apocalyptic number.
It is an amenable number.
245351253 is a deficient number, since it is larger than the sum of its proper divisors (138007723).
245351253 is a wasteful number, since it uses less digits than its factorization.
245351253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1873.
The product of its digits is 18000, while the sum is 30.
The square root of 245351253 is about 15663.6921892637. The cubic root of 245351253 is about 626.0313663440.
The spelling of 245351253 in words is "two hundred forty-five million, three hundred fifty-one thousand, two hundred fifty-three".
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