Search a number
-
+
2005205200 = 24526597607
BaseRepresentation
bin111011110000101…
…0000000011010000
312011202010222102021
41313201100003100
513101313031300
6530550301224
7100455651205
oct16741200320
95152128367
102005205200
11939982389
1247b657814
1325c57a66b
14150451cac
15bb08ed1a
hex778500d0

2005205200 has 60 divisors (see below), whose sum is σ = 4825450080. Its totient is φ = 800759680.

The previous prime is 2005205183. The next prime is 2005205201. The reversal of 2005205200 is 25025002.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005205201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259797 + ... + 267403.

It is an arithmetic number, because the mean of its divisors is an integer number (80424168).

Almost surely, 22005205200 is an apocalyptic number.

2005205200 is a gapful number since it is divisible by the number (20) 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 2005205200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2412725040).

2005205200 is an abundant number, since it is smaller than the sum of its proper divisors (2820244880).

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

2005205200 is a wasteful number, since it uses less digits than its factorization.

2005205200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8284 (or 8273 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 2005205200 is about 44779.5176392064. The cubic root of 2005205200 is about 1261.0131265374.

The spelling of 2005205200 in words is "two billion, five million, two hundred five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 659 1318 2636 3295 5272 6590 7607 10544 13180 15214 16475 26360 30428 32950 38035 52720 60856 65900 76070 121712 131800 152140 190175 263600 304280 380350 608560 760700 1521400 3042800 5013013 10026026 20052052 25065065 40104104 50130130 80208208 100260260 125325325 200520520 250650650 401041040 501301300 1002602600 2005205200