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200311425 = 32521752369
BaseRepresentation
bin10111111000010…
…00001010000001
3111221220212121200
423330020022001
5402234431200
631513211413
74651422216
oct1374101201
9457825550
10200311425
11a3085a36
1257100b69
1332665c92
141c863b0d
15128bb800
hexbf08281

200311425 has 36 divisors (see below), whose sum is σ = 379891980. Its totient is φ = 100546560.

The previous prime is 200311421. The next prime is 200311477. The reversal of 200311425 is 524113002.

It can be written as a sum of positive squares in 6 ways, for example, as 2852721 + 197458704 = 1689^2 + 14052^2 .

It is not a de Polignac number, because 200311425 - 22 = 200311421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200311398 and 200311407.

It is not an unprimeable number, because it can be changed into a prime (200311421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22360 + ... + 30009.

It is an arithmetic number, because the mean of its divisors is an integer number (10552555).

Almost surely, 2200311425 is an apocalyptic number.

200311425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200311425 is a deficient number, since it is larger than the sum of its proper divisors (179580555).

200311425 is a wasteful number, since it uses less digits than its factorization.

200311425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52402 (or 52394 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 200311425 is about 14153.1418773359. The cubic root of 200311425 is about 585.1069276382.

Adding to 200311425 its reverse (524113002), we get a palindrome (724424427).

The spelling of 200311425 in words is "two hundred million, three hundred eleven thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 17 25 45 51 75 85 153 225 255 425 765 1275 3825 52369 157107 261845 471321 785535 890273 1309225 2356605 2670819 3927675 4451365 8012457 11783025 13354095 22256825 40062285 66770475 200311425