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40025253 = 313341751
BaseRepresentation
bin1001100010101…
…1110010100101
32210022111022210
42120223302211
540221302003
63545514033
7664131462
oct230536245
983274283
1040025253
1120658624
12114a2919
1383a51a8
14545c669
1537a9503
hex262bca5

40025253 has 4 divisors (see below), whose sum is σ = 53367008. Its totient is φ = 26683500.

The previous prime is 40025239. The next prime is 40025261. The reversal of 40025253 is 35252004.

40025253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40025253 - 214 = 40008869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40025203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6670873 + ... + 6670878.

It is an arithmetic number, because the mean of its divisors is an integer number (13341752).

Almost surely, 240025253 is an apocalyptic number.

It is an amenable number.

40025253 is a deficient number, since it is larger than the sum of its proper divisors (13341755).

40025253 is a wasteful number, since it uses less digits than its factorization.

40025253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13341754.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 40025253 is about 6326.5514302817. The cubic root of 40025253 is about 342.0671442328.

Adding to 40025253 its reverse (35252004), we get a palindrome (75277257).

The spelling of 40025253 in words is "forty million, twenty-five thousand, two hundred fifty-three".

Divisors: 1 3 13341751 40025253