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4785680 = 245163367
BaseRepresentation
bin10010010000011000010000
3100000010201102
4102100120100
52211120210
6250323532
755451264
oct22203020
910003642
104785680
112779609
1217295a8
13cb7383
148c80a4
15647ea5
hex490610

4785680 has 40 divisors (see below), whose sum is σ = 11225472. Its totient is φ = 1897344.

The previous prime is 4785673. The next prime is 4785707. The reversal of 4785680 is 865874.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12857 + ... + 13223.

Almost surely, 24785680 is an apocalyptic number.

4785680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4785680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5612736).

4785680 is an abundant number, since it is smaller than the sum of its proper divisors (6439792).

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

4785680 is a wasteful number, since it uses less digits than its factorization.

4785680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 4785680 is about 2187.6197110101. The cubic root of 4785680 is about 168.5186165802.

The spelling of 4785680 in words is "four million, seven hundred eighty-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 163 326 367 652 734 815 1304 1468 1630 1835 2608 2936 3260 3670 5872 6520 7340 13040 14680 29360 59821 119642 239284 299105 478568 598210 957136 1196420 2392840 4785680