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25049041 = 171473473
BaseRepresentation
bin101111110001…
…1011111010001
31202010121211021
41133203133101
522403032131
62252515441
7422625163
oct137433721
952117737
1025049041
1113159796
12847bb81
135260624
143480933
1522ebe11
hex17e37d1

25049041 has 4 divisors (see below), whose sum is σ = 26522532. Its totient is φ = 23575552.

The previous prime is 25049039. The next prime is 25049107. The reversal of 25049041 is 14094052.

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 19891600 + 5157441 = 4460^2 + 2271^2 .

It is a cyclic number.

It is not a de Polignac number, because 25049041 - 21 = 25049039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25048997 and 25049015.

It is not an unprimeable number, because it can be changed into a prime (25049641) 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, 736720 + ... + 736753.

It is an arithmetic number, because the mean of its divisors is an integer number (6630633).

Almost surely, 225049041 is an apocalyptic number.

It is an amenable number.

25049041 is a deficient number, since it is larger than the sum of its proper divisors (1473491).

25049041 is a wasteful number, since it uses less digits than its factorization.

25049041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473490.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 25049041 is about 5004.9016973363. The cubic root of 25049041 is about 292.5928446102.

The spelling of 25049041 in words is "twenty-five million, forty-nine thousand, forty-one".

Divisors: 1 17 1473473 25049041