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25055303 = 7132311971
BaseRepresentation
bin101111110010…
…1000001000111
31202010221102012
41133211001013
522403232203
62253004435
7422652350
oct137450107
952127365
1025055303
1113163469
12848371b
135263430
143482d27
1522edbd8
hex17e5047

25055303 has 16 divisors (see below), whose sum is σ = 32180736. Its totient is φ = 18960480.

The previous prime is 25055299. The next prime is 25055321. The reversal of 25055303 is 30355052.

It is a happy number.

It is not a de Polignac number, because 25055303 - 22 = 25055299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25055383) 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 15 ways as a sum of consecutive naturals, for example, 3893 + ... + 8078.

It is an arithmetic number, because the mean of its divisors is an integer number (2011296).

Almost surely, 225055303 is an apocalyptic number.

25055303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25055303 is a deficient number, since it is larger than the sum of its proper divisors (7125433).

25055303 is a wasteful number, since it uses less digits than its factorization.

25055303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12014.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 25055303 is about 5005.5272449563. The cubic root of 25055303 is about 292.6172243025.

The spelling of 25055303 in words is "twenty-five million, fifty-five thousand, three hundred three".

Divisors: 1 7 13 23 91 161 299 2093 11971 83797 155623 275333 1089361 1927331 3579329 25055303