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255030500 = 2253510061
BaseRepresentation
bin11110011001101…
…11010011100100
3122202212220002002
433030313103210
51010241434000
641150104432
76214503104
oct1714672344
9582786062
10255030500
11120a5a20a
12714ab118
1340ab432a
1425c29204
15175c98d5
hexf3374e4

255030500 has 24 divisors (see below), whose sum is σ = 556987704. Its totient is φ = 102012000.

The previous prime is 255030499. The next prime is 255030533. The reversal of 255030500 is 5030552.

It can be written as a sum of positive squares in 4 ways, for example, as 7974976 + 247055524 = 2824^2 + 15718^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 254531 + ... + 255530.

It is an arithmetic number, because the mean of its divisors is an integer number (23207821).

Almost surely, 2255030500 is an apocalyptic number.

255030500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255030500 is an abundant number, since it is smaller than the sum of its proper divisors (301957204).

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

255030500 is a wasteful number, since it uses less digits than its factorization.

255030500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510080 (or 510068 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 255030500 is about 15969.6743861608. The cubic root of 255030500 is about 634.1578519403.

The spelling of 255030500 in words is "two hundred fifty-five million, thirty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 510061 1020122 2040244 2550305 5100610 10201220 12751525 25503050 51006100 63757625 127515250 255030500