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25213803 = 311374377
BaseRepresentation
bin110000000101…
…1101101101011
31202102222211120
41200023231223
522423320203
62300230323
7424212426
oct140135553
952388746
1025213803
111326155a
12853b3a3
1352ba614
1434c49bd
152330b53
hex180bb6b

25213803 has 8 divisors (see below), whose sum is σ = 33916368. Its totient is φ = 16660224.

The previous prime is 25213787. The next prime is 25213831. The reversal of 25213803 is 30831252.

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

It is not a de Polignac number, because 25213803 - 24 = 25213787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25213883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36850 + ... + 37527.

It is an arithmetic number, because the mean of its divisors is an integer number (4239546).

Almost surely, 225213803 is an apocalyptic number.

25213803 is a deficient number, since it is larger than the sum of its proper divisors (8702565).

25213803 is a wasteful number, since it uses less digits than its factorization.

25213803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74493.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 25213803 is about 5021.3347827047. The cubic root of 25213803 is about 293.2329605218.

The spelling of 25213803 in words is "twenty-five million, two hundred thirteen thousand, eight hundred three".

Divisors: 1 3 113 339 74377 223131 8404601 25213803