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25234216 = 237264373
BaseRepresentation
bin110000001000…
…0101100101000
31202111000211121
41200100230220
522424443331
62300505024
7424326100
oct140205450
952430747
1025234216
1113275927
12854b174
1352c69b7
1434cc200
152336c11
hex1810b28

25234216 has 24 divisors (see below), whose sum is σ = 55039770. Its totient is φ = 10814496.

The previous prime is 25234207. The next prime is 25234219. The reversal of 25234216 is 61243252.

It can be written as a sum of positive squares in only one way, i.e., 18232900 + 7001316 = 4270^2 + 2646^2 .

It is not an unprimeable number, because it can be changed into a prime (25234219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31795 + ... + 32578.

Almost surely, 225234216 is an apocalyptic number.

It is an amenable number.

25234216 is an abundant number, since it is smaller than the sum of its proper divisors (29805554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25234216 is a wasteful number, since it uses less digits than its factorization.

25234216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64393 (or 64382 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 25234216 is about 5023.3669983389. The cubic root of 25234216 is about 293.3120726097.

Adding to 25234216 its reverse (61243252), we get a palindrome (86477468).

The spelling of 25234216 in words is "twenty-five million, two hundred thirty-four thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 64373 128746 257492 450611 514984 901222 1802444 3154277 3604888 6308554 12617108 25234216