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244434140 = 225101121007
BaseRepresentation
bin11101001000111…
…00010011011100
3122000221112121022
432210130103130
51000033343030
640131023312
76025440656
oct1644342334
9560845538
10244434140
11115a81a95
1269a3ab38
133b8441b2
142466b6d6
15166d4de5
hexe91c4dc

244434140 has 24 divisors (see below), whose sum is σ = 518398272. Its totient is φ = 96804800.

The previous prime is 244434103. The next prime is 244434161. The reversal of 244434140 is 41434442.

It is a happy number.

244434140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58484 + ... + 62523.

It is an arithmetic number, because the mean of its divisors is an integer number (21599928).

Almost surely, 2244434140 is an apocalyptic number.

244434140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244434140 is an abundant number, since it is smaller than the sum of its proper divisors (273964132).

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

244434140 is a wasteful number, since it uses less digits than its factorization.

244434140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121117 (or 121115 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 244434140 is about 15634.3896586979. The cubic root of 244434140 is about 625.2503658271.

Adding to 244434140 its reverse (41434442), we get a palindrome (285868582).

The spelling of 244434140 in words is "two hundred forty-four million, four hundred thirty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 121007 242014 484028 605035 1210070 2420140 12221707 24443414 48886828 61108535 122217070 244434140