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245424500 = 2253490849
BaseRepresentation
bin11101010000011…
…10000101110100
3122002210212010022
432220032011310
51000312041000
640204144312
76040034216
oct1650160564
9562725108
10245424500
11116599072
126a238098
133baccbc9
14248485b6
151682d585
hexea0e174

245424500 has 24 divisors (see below), whose sum is σ = 536008200. Its totient is φ = 98169600.

The previous prime is 245424497. The next prime is 245424523. The reversal of 245424500 is 5424542.

It can be written as a sum of positive squares in 4 ways, for example, as 40018276 + 205406224 = 6326^2 + 14332^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 245424500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244925 + ... + 245924.

It is an arithmetic number, because the mean of its divisors is an integer number (22333675).

Almost surely, 2245424500 is an apocalyptic number.

245424500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245424500 is an abundant number, since it is smaller than the sum of its proper divisors (290583700).

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

245424500 is a wasteful number, since it uses less digits than its factorization.

245424500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490868 (or 490856 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 245424500 is about 15666.0301289127. The cubic root of 245424500 is about 626.0936584749.

The spelling of 245424500 in words is "two hundred forty-five million, four hundred twenty-four thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 490849 981698 1963396 2454245 4908490 9816980 12271225 24542450 49084900 61356125 122712250 245424500