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252025133 = 312262253
BaseRepresentation
bin11110000010110…
…01100100101101
3122120020012111012
433001121210231
51004004301013
641001435005
76150115103
oct1701314455
9576205435
10252025133
1111a297238
127049ba65
13402a13c9
1425685c73
15171d41a8
hexf05992d

252025133 has 6 divisors (see below), whose sum is σ = 260418222. Its totient is φ = 243894360.

The previous prime is 252025117. The next prime is 252025141. The reversal of 252025133 is 331520252.

252025133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 223263364 + 28761769 = 14942^2 + 5363^2 .

It is not a de Polignac number, because 252025133 - 24 = 252025117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252025099 and 252025108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252025183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130166 + ... + 132087.

It is an arithmetic number, because the mean of its divisors is an integer number (43403037).

Almost surely, 2252025133 is an apocalyptic number.

It is an amenable number.

252025133 is a deficient number, since it is larger than the sum of its proper divisors (8393089).

252025133 is an equidigital number, since it uses as much as digits as its factorization.

252025133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262315 (or 262284 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 252025133 is about 15875.2994617424. The cubic root of 252025133 is about 631.6569576213.

Adding to 252025133 its reverse (331520252), we get a palindrome (583545385).

The spelling of 252025133 in words is "two hundred fifty-two million, twenty-five thousand, one hundred thirty-three".

Divisors: 1 31 961 262253 8129843 252025133