| Base | Representation |
|---|---|
| bin | 11101010000011… |
| … | …01110111000100 |
| 3 | 122002210210211100 |
| 4 | 32220031313010 |
| 5 | 1000312023211 |
| 6 | 40204140100 |
| 7 | 6040031400 |
| oct | 1650156704 |
| 9 | 562723740 |
| 10 | 245423556 |
| 11 | 116598394 |
| 12 | 6a237630 |
| 13 | 3bacc651 |
| 14 | 24848100 |
| 15 | 1682d156 |
| hex | ea0ddc4 |
245423556 has 81 divisors (see below), whose sum is σ = 723602061. Its totient is φ = 69933024.
The previous prime is 245423537. The next prime is 245423569. The reversal of 245423556 is 655324542.
The square root of 245423556 is 15666.
It is a perfect power (a square), and thus also a powerful number.
245423556 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 133402500 + 112021056 = 11550^2 + 10584^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 245423556.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 657786 + ... + 658158.
Almost surely, 2245423556 is an apocalyptic number.
245423556 is the 15666-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 245423556
245423556 is an abundant number, since it is smaller than the sum of its proper divisors (478178505).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245423556 is a wasteful number, since it uses less digits than its factorization.
245423556 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 770 (or 385 counting only the distinct ones).
The product of its digits is 144000, while the sum is 36.
The cubic root of 245423556 is about 626.0928557390.
Multiplying 245423556 by its sum of digits (36), we get a square (8835248016 = 939962).
245423556 divided by its sum of digits (36) gives a square (6817321 = 26112).
It can be divided in two parts, 245 and 423556, that added together give a square (423801 = 6512).
The spelling of 245423556 in words is "two hundred forty-five million, four hundred twenty-three thousand, five hundred fifty-six".
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