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288382401 = 3232042489
BaseRepresentation
bin10001001100000…
…101110111000001
3202002122100021200
4101030011313001
51042311214101
644341011413
710101132006
oct2114056701
9662570250
10288382401
11138869a6a
12806b3b69
1347990b98
142a42b8ad
151a4b6986
hex11305dc1

288382401 has 6 divisors (see below), whose sum is σ = 416552370. Its totient is φ = 192254928.

The previous prime is 288382321. The next prime is 288382411. The reversal of 288382401 is 104283882.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 288320400 + 62001 = 16980^2 + 249^2 .

It is not a de Polignac number, because 288382401 - 27 = 288382273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (288382411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16021236 + ... + 16021253.

It is an arithmetic number, because the mean of its divisors is an integer number (69425395).

Almost surely, 2288382401 is an apocalyptic number.

It is an amenable number.

288382401 is a deficient number, since it is larger than the sum of its proper divisors (128169969).

288382401 is a wasteful number, since it uses less digits than its factorization.

288382401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32042495 (or 32042492 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 288382401 is about 16981.8256085734. The cubic root of 288382401 is about 660.6776029845.

The spelling of 288382401 in words is "two hundred eighty-eight million, three hundred eighty-two thousand, four hundred one".

Divisors: 1 3 9 32042489 96127467 288382401