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25235223 = 313647057
BaseRepresentation
bin110000001000…
…0111100010111
31202111002012220
41200100330113
522430011343
62300513423
7424332036
oct140207427
952432186
1025235223
1113276662
12854b873
1352c72b0
1434cc71d
152337183
hex1810f17

25235223 has 8 divisors (see below), whose sum is σ = 36235248. Its totient is φ = 15529344.

The previous prime is 25235219. The next prime is 25235227. The reversal of 25235223 is 32253252.

It is an interprime number because it is at equal distance from previous prime (25235219) and next prime (25235227).

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

It is not a de Polignac number, because 25235223 - 22 = 25235219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25235193 and 25235202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25235227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323490 + ... + 323567.

It is an arithmetic number, because the mean of its divisors is an integer number (4529406).

Almost surely, 225235223 is an apocalyptic number.

25235223 is a deficient number, since it is larger than the sum of its proper divisors (11000025).

25235223 is a wasteful number, since it uses less digits than its factorization.

25235223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647073.

The product of its digits is 3600, while the sum is 24.

The square root of 25235223 is about 5023.4672289167. The cubic root of 25235223 is about 293.3159742080.

Adding to 25235223 its reverse (32253252), we get a palindrome (57488475).

The spelling of 25235223 in words is "twenty-five million, two hundred thirty-five thousand, two hundred twenty-three".

Divisors: 1 3 13 39 647057 1941171 8411741 25235223