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4285428644 = 227198055317
BaseRepresentation
bin1111111101101110…
…0111001110100100
3102001122210022221102
43333123213032210
532234032204034
61545123335232
7211124354030
oct37733471644
912048708842
104285428644
1118aa015a72
129b7221518
13533ab9cc3
142c92131c0
151a135697e
hexff6e73a4

4285428644 has 24 divisors (see below), whose sum is σ = 9021956160. Its totient is φ = 1739948256.

The previous prime is 4285428643. The next prime is 4285428649. The reversal of 4285428644 is 4468245824.

It is not an unprimeable number, because it can be changed into a prime (4285428643) 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, 4027127 + ... + 4028190.

It is an arithmetic number, because the mean of its divisors is an integer number (375914840).

Almost surely, 24285428644 is an apocalyptic number.

It is an amenable number.

4285428644 is an abundant number, since it is smaller than the sum of its proper divisors (4736527516).

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

4285428644 is a wasteful number, since it uses less digits than its factorization.

4285428644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8055347 (or 8055345 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 47.

The square root of 4285428644 is about 65463.1854098164. The cubic root of 4285428644 is about 1624.2944337623.

The spelling of 4285428644 in words is "four billion, two hundred eighty-five million, four hundred twenty-eight thousand, six hundred forty-four".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 8055317 16110634 32221268 56387219 112774438 153051023 225548876 306102046 612204092 1071357161 2142714322 4285428644