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25490103 = 316352127
BaseRepresentation
bin110000100111…
…1001010110111
31202222000211220
41201033022313
523011140403
62310201423
7426443112
oct141171267
952860756
1025490103
1113430101
128653273
135386302
143557579
152387953
hex184f2b7

25490103 has 8 divisors (see below), whose sum is σ = 34195968. Its totient is φ = 16888824.

The previous prime is 25490081. The next prime is 25490149. The reversal of 25490103 is 30109452.

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

It is not a de Polignac number, because 25490103 - 29 = 25489591 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25490603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25575 + ... + 26552.

It is an arithmetic number, because the mean of its divisors is an integer number (4274496).

Almost surely, 225490103 is an apocalyptic number.

25490103 is a deficient number, since it is larger than the sum of its proper divisors (8705865).

25490103 is a wasteful number, since it uses less digits than its factorization.

25490103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52293.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 25490103 is about 5048.7724250554. The cubic root of 25490103 is about 294.3001816250.

Adding to 25490103 its reverse (30109452), we get a palindrome (55599555).

The spelling of 25490103 in words is "twenty-five million, four hundred ninety thousand, one hundred three".

Divisors: 1 3 163 489 52127 156381 8496701 25490103