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288057244 = 22233131057
BaseRepresentation
bin10001001010110…
…110011110011100
3202002000211020211
4101022312132130
51042220312434
644330022204
710065306016
oct2112663634
9662024224
10288057244
11138667742
1280577964
13478a8b97
142a3851b6
151a450464
hex112b679c

288057244 has 12 divisors (see below), whose sum is σ = 526017744. Its totient is φ = 137766464.

The previous prime is 288057229. The next prime is 288057257. The reversal of 288057244 is 442750882.

It is a junction number, because it is equal to n+sod(n) for n = 288057197 and 288057206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565437 + ... + 1565620.

It is an arithmetic number, because the mean of its divisors is an integer number (43834812).

Almost surely, 2288057244 is an apocalyptic number.

It is an amenable number.

288057244 is a deficient number, since it is larger than the sum of its proper divisors (237960500).

288057244 is a wasteful number, since it uses less digits than its factorization.

288057244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131084 (or 3131082 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 288057244 is about 16972.2492322025. The cubic root of 288057244 is about 660.4292004738.

The spelling of 288057244 in words is "two hundred eighty-eight million, fifty-seven thousand, two hundred forty-four".

Divisors: 1 2 4 23 46 92 3131057 6262114 12524228 72014311 144028622 288057244