Search a number
-
+
25250383 = 411933191
BaseRepresentation
bin110000001010…
…0101001001111
31202111212000101
41200110221033
522431003013
62301111531
7424424164
oct140245117
952455011
1025250383
1113286a94
1285585a7
135301172
1434d406b
15233b8dd
hex1814a4f

25250383 has 8 divisors (see below), whose sum is σ = 26008416. Its totient is φ = 24499200.

The previous prime is 25250377. The next prime is 25250431. The reversal of 25250383 is 38305252.

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 25250383 - 29 = 25249871 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25250363) 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, 6318 + ... + 9508.

It is an arithmetic number, because the mean of its divisors is an integer number (3251052).

Almost surely, 225250383 is an apocalyptic number.

25250383 is a deficient number, since it is larger than the sum of its proper divisors (758033).

25250383 is a wasteful number, since it uses less digits than its factorization.

25250383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 25250383 is about 5024.9759203403. The cubic root of 25250383 is about 293.3746987406.

The spelling of 25250383 in words is "twenty-five million, two hundred fifty thousand, three hundred eighty-three".

Divisors: 1 41 193 3191 7913 130831 615863 25250383