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288944401 = 679414583
BaseRepresentation
bin10001001110001…
…111000100010001
3202010200220012111
4101032033010101
51042432210101
644401025321
710105662334
oct2116170421
9663626174
10288944401
11139113229
1280925241
1347b29925
142a53661b
151a578251
hex1138f111

288944401 has 8 divisors (see below), whose sum is σ = 293632704. Its totient is φ = 284267280.

The previous prime is 288944351. The next prime is 288944413. The reversal of 288944401 is 104449882.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 288944401 - 213 = 288936209 is a prime.

It is a super-4 number, since 4×2889444014 (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288944501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60756 + ... + 65338.

It is an arithmetic number, because the mean of its divisors is an integer number (36704088).

Almost surely, 2288944401 is an apocalyptic number.

It is an amenable number.

288944401 is a deficient number, since it is larger than the sum of its proper divisors (4688303).

288944401 is an equidigital number, since it uses as much as digits as its factorization.

288944401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 288944401 is about 16998.3646566368. The cubic root of 288944401 is about 661.1065009515.

The spelling of 288944401 in words is "two hundred eighty-eight million, nine hundred forty-four thousand, four hundred one".

Divisors: 1 67 941 4583 63047 307061 4312603 288944401