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4287037261 = 13991332767
BaseRepresentation
bin1111111110000110…
…1111111101001101
3102001202211001112211
43333201233331031
532234440143021
61545222030421
7211144133623
oct37741577515
912052731484
104287037261
1118aaa14601
129b7878411
13534231250
142c9511513
151a15733e1
hexff86ff4d

4287037261 has 8 divisors (see below), whose sum is σ = 4621481984. Its totient is φ = 3953260080.

The previous prime is 4287037247. The next prime is 4287037331. The reversal of 4287037261 is 1627307824.

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 4287037261 - 215 = 4287004493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287037061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153501 + ... + 179266.

It is an arithmetic number, because the mean of its divisors is an integer number (577685248).

Almost surely, 24287037261 is an apocalyptic number.

It is an amenable number.

4287037261 is a deficient number, since it is larger than the sum of its proper divisors (334444723).

4287037261 is a wasteful number, since it uses less digits than its factorization.

4287037261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333771.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 4287037261 is about 65475.4706817752. The cubic root of 4287037261 is about 1624.4976449223.

The spelling of 4287037261 in words is "four billion, two hundred eighty-seven million, thirty-seven thousand, two hundred sixty-one".

Divisors: 1 13 991 12883 332767 4325971 329772097 4287037261