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1834837225 = 521326592
BaseRepresentation
bin110110101011101…
…0110010011101001
311201212120101111021
41231113112103221
512224204242400
6502022532441
763316600444
oct15527262351
94655511437
101834837225
11861799401
12432597121
13233199a00
1413598465b
15ab13a71a
hex6d5d64e9

1834837225 has 27 divisors (see below), whose sum is σ = 2467420293. Its totient is φ = 1352900640.

The previous prime is 1834837223. The next prime is 1834837231. The reversal of 1834837225 is 5227384381.

The square root of 1834837225 is 42835.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 472932009 + 1361905216 = 21747^2 + 36904^2 .

It is not a de Polignac number, because 1834837225 - 21 = 1834837223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1834837223) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2783946 + ... + 2784604.

Almost surely, 21834837225 is an apocalyptic number.

1834837225 is the 42835-th square number.

1834837225 is the 21418-th centered octagonal number.

It is an amenable number.

1834837225 is a deficient number, since it is larger than the sum of its proper divisors (632583068).

1834837225 is an frugal number, since it uses more digits than its factorization.

1834837225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 677 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The cubic root of 1834837225 is about 1224.2379767198.

The spelling of 1834837225 in words is "one billion, eight hundred thirty-four million, eight hundred thirty-seven thousand, two hundred twenty-five".

Divisors: 1 5 13 25 65 169 325 659 845 3295 4225 8567 16475 42835 111371 214175 434281 556855 2171405 2784275 5645653 10857025 28228265 73393489 141141325 366967445 1834837225