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203051225 = 52131075839
BaseRepresentation
bin11000001101001…
…01000011011001
3112011002001220202
430012211003121
5403440114400
632052031545
75013623036
oct1406450331
9464061822
10203051225
11a4687433
12580025b5
13330b5070
141cd7838d
1512c5d4d5
hexc1a50d9

203051225 has 24 divisors (see below), whose sum is σ = 273732480. Its totient is φ = 148518720.

The previous prime is 203051201. The next prime is 203051231. The reversal of 203051225 is 522150302.

It is not a de Polignac number, because 203051225 - 26 = 203051161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203051197 and 203051206.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31856 + ... + 37694.

It is an arithmetic number, because the mean of its divisors is an integer number (11405520).

Almost surely, 2203051225 is an apocalyptic number.

203051225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203051225 is a deficient number, since it is larger than the sum of its proper divisors (70681255).

203051225 is a wasteful number, since it uses less digits than its factorization.

203051225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5969 (or 5964 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 203051225 is about 14249.6043804732. The cubic root of 203051225 is about 587.7624962493.

The spelling of 203051225 in words is "two hundred three million, fifty-one thousand, two hundred twenty-five".

Divisors: 1 5 13 25 65 107 325 535 1391 2675 5839 6955 29195 34775 75907 145975 379535 624773 1897675 3123865 8122049 15619325 40610245 203051225