Search a number
-
+
2002625660 = 225783172343
BaseRepresentation
bin111011101011101…
…1010010001111100
312011120021220221202
41313113122101330
513100133010120
6530415115032
7100425015530
oct16727322174
95146256852
102002625660
11938480332
1247a812a78
1325bb864c9
1414dd7dbc0
15bac30875
hex775da47c

2002625660 has 48 divisors (see below), whose sum is σ = 4864237056. Its totient is φ = 678338112.

The previous prime is 2002625633. The next prime is 2002625671. The reversal of 2002625660 is 665262002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74552 + ... + 97791.

It is an arithmetic number, because the mean of its divisors is an integer number (101338272).

Almost surely, 22002625660 is an apocalyptic number.

2002625660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002625660 is an abundant number, since it is smaller than the sum of its proper divisors (2861611396).

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

2002625660 is a wasteful number, since it uses less digits than its factorization.

2002625660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172442 (or 172440 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2002625660 is about 44750.7056927598. The cubic root of 2002625660 is about 1260.4721628433.

Adding to 2002625660 its reverse (665262002), we get a palindrome (2667887662).

The spelling of 2002625660 in words is "two billion, two million, six hundred twenty-five thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 83 140 166 332 415 581 830 1162 1660 2324 2905 5810 11620 172343 344686 689372 861715 1206401 1723430 2412802 3446860 4825604 6032005 12064010 14304469 24128020 28608938 57217876 71522345 100131283 143044690 200262566 286089380 400525132 500656415 1001312830 2002625660