Search a number
-
+
245041200 = 2435522521
BaseRepresentation
bin11101001101100…
…00100000110000
3122002002101100000
432212300200300
51000212304300
640152030000
76033546555
oct1646604060
9562071300
10245041200
11116357098
126a092300
133b9c75c1
1424788a2c
15167a4c00
hexe9b0830

245041200 has 180 divisors, whose sum is σ = 882205688. Its totient is φ = 65318400.

The previous prime is 245041193. The next prime is 245041211. The reversal of 245041200 is 2140542.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 95940 + ... + 98460.

Almost surely, 2245041200 is an apocalyptic number.

245041200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245041200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441102844).

245041200 is an abundant number, since it is smaller than the sum of its proper divisors (637164488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245041200 is a wasteful number, since it uses less digits than its factorization.

245041200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554 (or 2531 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 245041200 is about 15653.7918728978. The cubic root of 245041200 is about 625.7675476737.

Adding to 245041200 its reverse (2140542), we get a palindrome (247181742).

The spelling of 245041200 in words is "two hundred forty-five million, forty-one thousand, two hundred".