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6252250405 = 51250450081
BaseRepresentation
bin1011101001010100…
…11100010100100101
3121010201201020011211
411310222130110211
5100301034003110
62512223231421
7310636152202
oct56452342445
917121636154
106252250405
1127192612a5
121265a48571
1378841886b
14434512ca9
15268d6398a
hex174a9c525

6252250405 has 4 divisors (see below), whose sum is σ = 7502700492. Its totient is φ = 5001800320.

The previous prime is 6252250399. The next prime is 6252250421. The reversal of 6252250405 is 5040522526.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 625900324 + 5626350081 = 25018^2 + 75009^2 .

It is not a de Polignac number, because 6252250405 - 25 = 6252250373 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625225036 + ... + 625225045.

It is an arithmetic number, because the mean of its divisors is an integer number (1875675123).

Almost surely, 26252250405 is an apocalyptic number.

It is an amenable number.

6252250405 is a deficient number, since it is larger than the sum of its proper divisors (1250450087).

6252250405 is a wasteful number, since it uses less digits than its factorization.

6252250405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250450086.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 6252250405 is about 79071.1730341722. The cubic root of 6252250405 is about 1842.2368044684.

The spelling of 6252250405 in words is "six billion, two hundred fifty-two million, two hundred fifty thousand, four hundred five".

Divisors: 1 5 1250450081 6252250405