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253840300 = 22527362629
BaseRepresentation
bin11110010000101…
…00101110101100
3122200122102102121
433020110232230
51004440342200
641104402324
76201415120
oct1710245654
9580572377
10253840300
11120316a7a
12710163a4
134078867c
14259d9580
1517441e1a
hexf214bac

253840300 has 36 divisors (see below), whose sum is σ = 629525680. Its totient is φ = 87030720.

The previous prime is 253840297. The next prime is 253840303. The reversal of 253840300 is 3048352.

253840300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (253840297) and next prime (253840303).

It is a super-3 number, since 3×2538403003 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (253840303) 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, 180615 + ... + 182014.

Almost surely, 2253840300 is an apocalyptic number.

253840300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253840300 is an abundant number, since it is smaller than the sum of its proper divisors (375685380).

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

253840300 is a wasteful number, since it uses less digits than its factorization.

253840300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362650 (or 362643 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 253840300 is about 15932.3664281236. The cubic root of 253840300 is about 633.1697977272.

Adding to 253840300 its reverse (3048352), we get a palindrome (256888652).

The spelling of 253840300 in words is "two hundred fifty-three million, eight hundred forty thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 362629 725258 1450516 1813145 2538403 3626290 5076806 7252580 9065725 10153612 12692015 18131450 25384030 36262900 50768060 63460075 126920150 253840300