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8133825 = 352715493
BaseRepresentation
bin11111000001110011000001
3120022020111210
4133001303001
54040240300
6450200333
7126064530
oct37016301
916266453
108133825
114656077
1228830a9
1318ba31b
14111a317
15aaa050
hex7c1cc1

8133825 has 24 divisors (see below), whose sum is σ = 15370048. Its totient is φ = 3718080.

The previous prime is 8133809. The next prime is 8133841. The reversal of 8133825 is 5283318.

It is a happy number.

8133825 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 (8133809) and next prime (8133841).

It is not a de Polignac number, because 8133825 - 24 = 8133809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8133792 and 8133801.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7222 + ... + 8271.

Almost surely, 28133825 is an apocalyptic number.

It is an amenable number.

8133825 is a deficient number, since it is larger than the sum of its proper divisors (7236223).

8133825 is a wasteful number, since it uses less digits than its factorization.

8133825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15513 (or 15508 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 8133825 is about 2851.9861500365. The cubic root of 8133825 is about 201.1090470391.

The spelling of 8133825 in words is "eight million, one hundred thirty-three thousand, eight hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 15493 46479 77465 108451 232395 325353 387325 542255 1161975 1626765 2711275 8133825