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34320925 = 5211312149
BaseRepresentation
bin1000001011101…
…1001000011101
32101120200110101
42002323020131
532241232200
63223341101
7564503002
oct202731035
971520411
1034320925
1118411901
12b5b1791
137158952
1447b58a9
15302e26a
hex20bb21d

34320925 has 12 divisors (see below), whose sum is σ = 42938100. Its totient is φ = 27211520.

The previous prime is 34320919. The next prime is 34320929. The reversal of 34320925 is 52902343.

It can be written as a sum of positive squares in 6 ways, for example, as 657721 + 33663204 = 811^2 + 5802^2 .

It is not a de Polignac number, because 34320925 - 25 = 34320893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34320893 and 34320902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34320929) 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, 3250 + ... + 8899.

It is an arithmetic number, because the mean of its divisors is an integer number (3578175).

Almost surely, 234320925 is an apocalyptic number.

It is an amenable number.

34320925 is a deficient number, since it is larger than the sum of its proper divisors (8617175).

34320925 is a wasteful number, since it uses less digits than its factorization.

34320925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12272 (or 12267 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 34320925 is about 5858.4063532671. The cubic root of 34320925 is about 324.9772765178.

It can be divided in two parts, 34320 and 925, that added together give a triangular number (35245 = T265).

The spelling of 34320925 in words is "thirty-four million, three hundred twenty thousand, nine hundred twenty-five".

Divisors: 1 5 25 113 565 2825 12149 60745 303725 1372837 6864185 34320925