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4890620 = 2257181193
BaseRepresentation
bin10010101001111111111100
3100012110200002
4102221333330
52222444440
6252453432
756366240
oct22517774
910173602
104890620
112840439
12177a278
131023077
14914420
15669115
hex4a9ffc

4890620 has 48 divisors (see below), whose sum is σ = 11863488. Its totient is φ = 1658880.

The previous prime is 4890617. The next prime is 4890629. The reversal of 4890620 is 260984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4890629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25244 + ... + 25436.

It is an arithmetic number, because the mean of its divisors is an integer number (247156).

Almost surely, 24890620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4890620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5931744).

4890620 is an abundant number, since it is smaller than the sum of its proper divisors (6972868).

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

4890620 is a wasteful number, since it uses less digits than its factorization.

4890620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 4890620 is about 2211.4746211521. The cubic root of 4890620 is about 169.7414755650.

The spelling of 4890620 in words is "four million, eight hundred ninety thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 181 193 362 386 724 772 905 965 1267 1351 1810 1930 2534 2702 3620 3860 5068 5404 6335 6755 12670 13510 25340 27020 34933 69866 139732 174665 244531 349330 489062 698660 978124 1222655 2445310 4890620