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288276072 = 233717100937
BaseRepresentation
bin10001001011101…
…011111001101000
3202002102221102120
4101023223321220
51042244313242
644334431240
710100210010
oct2113537150
9662387376
10288276072
111387a7097
1280662520
1347954676
142a400c40
151a4951ec
hex112ebe68

288276072 has 64 divisors (see below), whose sum is σ = 872104320. Its totient is φ = 77518848.

The previous prime is 288276071. The next prime is 288276077. The reversal of 288276072 is 270672882.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (288276071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47613 + ... + 53324.

It is an arithmetic number, because the mean of its divisors is an integer number (13626630).

Almost surely, 2288276072 is an apocalyptic number.

It is an amenable number.

288276072 is an abundant number, since it is smaller than the sum of its proper divisors (583828248).

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

288276072 is a wasteful number, since it uses less digits than its factorization.

288276072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100970 (or 100966 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 288276072 is about 16978.6946494717. The cubic root of 288276072 is about 660.5963938860.

The spelling of 288276072 in words is "two hundred eighty-eight million, two hundred seventy-six thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 17 21 24 28 34 42 51 56 68 84 102 119 136 168 204 238 357 408 476 714 952 1428 2856 100937 201874 302811 403748 605622 706559 807496 1211244 1413118 1715929 2119677 2422488 2826236 3431858 4239354 5147787 5652472 6863716 8478708 10295574 12011503 13727432 16957416 20591148 24023006 36034509 41182296 48046012 72069018 96092024 144138036 288276072