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25229894 = 297130051
BaseRepresentation
bin110000000111…
…1101001000110
31202110210220112
41200033221012
522424324034
62300433022
7424310354
oct140175106
952423815
1025229894
1113272658
128548772
1352c4a41
1434ca7d4
1523357ce
hex180fa46

25229894 has 8 divisors (see below), whose sum is σ = 38235288. Its totient is φ = 12484800.

The previous prime is 25229881. The next prime is 25229899. The reversal of 25229894 is 49892252.

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

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25229899) 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 3 ways as a sum of consecutive naturals, for example, 64832 + ... + 65219.

It is an arithmetic number, because the mean of its divisors is an integer number (4779411).

Almost surely, 225229894 is an apocalyptic number.

25229894 is a deficient number, since it is larger than the sum of its proper divisors (13005394).

25229894 is a wasteful number, since it uses less digits than its factorization.

25229894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130150.

The product of its digits is 103680, while the sum is 41.

The square root of 25229894 is about 5022.9367903648. The cubic root of 25229894 is about 293.2953259410.

The spelling of 25229894 in words is "twenty-five million, two hundred twenty-nine thousand, eight hundred ninety-four".

Divisors: 1 2 97 194 130051 260102 12614947 25229894