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34210025 = 521368401
BaseRepresentation
bin1000001010000…
…0000011101001
32101101001022222
42002200003221
532224210100
63221123425
7563531453
oct202400351
971331288
1034210025
1118346553
12b559575
13711a325
1447872d3
15300b485
hex20a00e9

34210025 has 6 divisors (see below), whose sum is σ = 42420462. Its totient is φ = 27368000.

The previous prime is 34210021. The next prime is 34210037. The reversal of 34210025 is 52001243.

It can be written as a sum of positive squares in 3 ways, for example, as 8271376 + 25938649 = 2876^2 + 5093^2 .

It is not a de Polignac number, because 34210025 - 22 = 34210021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34209985 and 34210012.

It is not an unprimeable number, because it can be changed into a prime (34210021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 684176 + ... + 684225.

It is an arithmetic number, because the mean of its divisors is an integer number (7070077).

Almost surely, 234210025 is an apocalyptic number.

It is an amenable number.

34210025 is a deficient number, since it is larger than the sum of its proper divisors (8210437).

34210025 is a wasteful number, since it uses less digits than its factorization.

34210025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368411 (or 1368406 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 34210025 is about 5848.9336634980. The cubic root of 34210025 is about 324.6268696057.

Adding to 34210025 its reverse (52001243), we get a palindrome (86211268).

The spelling of 34210025 in words is "thirty-four million, two hundred ten thousand, twenty-five".

Divisors: 1 5 25 1368401 6842005 34210025