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13825203 = 37294049
BaseRepresentation
bin110100101111…
…010010110011
3222000101121120
4310233102303
512014401303
61212153323
7225340500
oct64572263
928011546
1013825203
117893097
124768843
132b309c2
141b9c4a7
151331553
hexd2f4b3

13825203 has 12 divisors (see below), whose sum is σ = 21443400. Its totient is φ = 7900032.

The previous prime is 13825193. The next prime is 13825213. The reversal of 13825203 is 30252831.

13825203 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13825193) and next prime (13825213).

It is not a de Polignac number, because 13825203 - 28 = 13824947 is a prime.

It is a super-2 number, since 2×138252032 = 382272475982418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13825213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46878 + ... + 47171.

It is an arithmetic number, because the mean of its divisors is an integer number (1786950).

Almost surely, 213825203 is an apocalyptic number.

13825203 is a deficient number, since it is larger than the sum of its proper divisors (7618197).

13825203 is an equidigital number, since it uses as much as digits as its factorization.

13825203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94066 (or 94059 counting only the distinct ones).

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

The square root of 13825203 is about 3718.2257865816. The cubic root of 13825203 is about 240.0069616036.

It can be divided in two parts, 13825 and 203, that added together give a triangular number (14028 = T167).

The spelling of 13825203 in words is "thirteen million, eight hundred twenty-five thousand, two hundred three".

Divisors: 1 3 7 21 49 147 94049 282147 658343 1975029 4608401 13825203