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25502041 = 41661941
BaseRepresentation
bin110000101001…
…0000101011001
31202222122020001
41201102011121
523012031131
62310333001
7426522655
oct141220531
952878201
1025502041
1113439074
12865a161
13538b886
14355ba65
15238b261
hex1852159

25502041 has 8 divisors (see below), whose sum is σ = 26191368. Its totient is φ = 24816000.

The previous prime is 25502033. The next prime is 25502111. The reversal of 25502041 is 14020552.

It can be written as a sum of positive squares in 4 ways, for example, as 2653641 + 22848400 = 1629^2 + 4780^2 .

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 25502041 - 23 = 25502033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25503041) 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, 26631 + ... + 27571.

It is an arithmetic number, because the mean of its divisors is an integer number (3273921).

Almost surely, 225502041 is an apocalyptic number.

It is an amenable number.

25502041 is a deficient number, since it is larger than the sum of its proper divisors (689327).

25502041 is an equidigital number, since it uses as much as digits as its factorization.

25502041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 25502041 is about 5049.9545542510. The cubic root of 25502041 is about 294.3461185026.

Adding to 25502041 its reverse (14020552), we get a palindrome (39522593).

The spelling of 25502041 in words is "twenty-five million, five hundred two thousand, forty-one".

Divisors: 1 41 661 941 27101 38581 622001 25502041