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25338133 = 40736221
BaseRepresentation
bin110000010101…
…0000100010101
31202200022101101
41200222010111
522441310013
62303030101
7425241052
oct140520425
952608341
1025338133
1113336a07
12859b331
1353320a2
143518029
1523578dd
hex182a115

25338133 has 4 divisors (see below), whose sum is σ = 25348428. Its totient is φ = 25327840.

The previous prime is 25338107. The next prime is 25338149. The reversal of 25338133 is 33183352.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1747684 + 23590449 = 1322^2 + 4857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25338133 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25338233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963 + ... + 7183.

It is an arithmetic number, because the mean of its divisors is an integer number (6337107).

Almost surely, 225338133 is an apocalyptic number.

It is an amenable number.

25338133 is a deficient number, since it is larger than the sum of its proper divisors (10295).

25338133 is an equidigital number, since it uses as much as digits as its factorization.

25338133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10294.

The product of its digits is 6480, while the sum is 28.

The square root of 25338133 is about 5033.6997328009. The cubic root of 25338133 is about 293.7141505670.

The spelling of 25338133 in words is "twenty-five million, three hundred thirty-eight thousand, one hundred thirty-three".

Divisors: 1 4073 6221 25338133