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25481413 = 194331189
BaseRepresentation
bin110000100110…
…1000011000101
31202221120221001
41201031003011
523010401123
62310053301
7426405556
oct141150305
952846831
1025481413
1113424621
12864a231
135382379
14355432d
1523850ad
hex184d0c5

25481413 has 8 divisors (see below), whose sum is σ = 27447200. Its totient is φ = 23578128.

The previous prime is 25481399. The next prime is 25481429. The reversal of 25481413 is 31418452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25481413 - 213 = 25473221 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 (25484413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14778 + ... + 16411.

It is an arithmetic number, because the mean of its divisors is an integer number (3430900).

Almost surely, 225481413 is an apocalyptic number.

It is an amenable number.

25481413 is a deficient number, since it is larger than the sum of its proper divisors (1965787).

25481413 is a wasteful number, since it uses less digits than its factorization.

25481413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31251.

The product of its digits is 3840, while the sum is 28.

The square root of 25481413 is about 5047.9117464552. The cubic root of 25481413 is about 294.2667338817.

Adding to 25481413 its reverse (31418452), we get a palindrome (56899865).

The spelling of 25481413 in words is "twenty-five million, four hundred eighty-one thousand, four hundred thirteen".

Divisors: 1 19 43 817 31189 592591 1341127 25481413