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4289312054 = 219112876633
BaseRepresentation
bin1111111110101001…
…1011010100110110
3102001221002121222102
43333222123110312
532241030441204
61545342502102
7211202356646
oct37752332466
912057077872
104289312054
1119012286a5
129b8594932
13534849791
142c9944526
151a187241e
hexffa9b536

4289312054 has 8 divisors (see below), whose sum is σ = 6772598040. Its totient is φ = 2031779376.

The previous prime is 4289312033. The next prime is 4289312057. The reversal of 4289312054 is 4502139824.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 112876633 = 4289312054 / (4 + 2 + 8 + 9 + 3 + 1 + 2 + 0 + 5 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 4289311999 and 4289312017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4289312057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56438279 + ... + 56438354.

It is an arithmetic number, because the mean of its divisors is an integer number (846574755).

Almost surely, 24289312054 is an apocalyptic number.

4289312054 is a deficient number, since it is larger than the sum of its proper divisors (2483285986).

4289312054 is a wasteful number, since it uses less digits than its factorization.

4289312054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112876654.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 4289312054 is about 65492.8397154987. The cubic root of 4289312054 is about 1624.7849250974.

The spelling of 4289312054 in words is "four billion, two hundred eighty-nine million, three hundred twelve thousand, fifty-four".

Divisors: 1 2 19 38 112876633 225753266 2144656027 4289312054