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244842440 = 23515114051
BaseRepresentation
bin11101001011111…
…11111111001000
3122001201021200112
432211333333020
51000134424230
640143453452
76032061233
oct1645777710
9561637615
10244842440
11116230827
1269bb7288
133b957cab
142473641a
1516765d95
hexe97ffc8

244842440 has 32 divisors (see below), whose sum is σ = 551396160. Its totient is φ = 97848000.

The previous prime is 244842439. The next prime is 244842443. The reversal of 244842440 is 44248442.

244842440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2448424403 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244842397 and 244842406.

It is not an unprimeable number, because it can be changed into a prime (244842443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58415 + ... + 62465.

It is an arithmetic number, because the mean of its divisors is an integer number (17231130).

Almost surely, 2244842440 is an apocalyptic number.

244842440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244842440 is an abundant number, since it is smaller than the sum of its proper divisors (306553720).

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

244842440 is a wasteful number, since it uses less digits than its factorization.

244842440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573 (or 5569 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

The square root of 244842440 is about 15647.4419634648. The cubic root of 244842440 is about 625.5983091923.

The spelling of 244842440 in words is "two hundred forty-four million, eight hundred forty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1511 3022 4051 6044 7555 8102 12088 15110 16204 20255 30220 32408 40510 60440 81020 162040 6121061 12242122 24484244 30605305 48968488 61210610 122421220 244842440