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1055225 = 5242209
BaseRepresentation
bin100000001100111111001
31222121111102
410001213321
5232231400
634341145
711653313
oct4014771
91877442
101055225
11660896
1242a7b5
132ac3c2
141d67b3
1515c9d5
hex1019f9

1055225 has 6 divisors (see below), whose sum is σ = 1308510. Its totient is φ = 844160.

The previous prime is 1055191. The next prime is 1055231. The reversal of 1055225 is 5225501.

It can be written as a sum of positive squares in 3 ways, for example, as 169744 + 885481 = 412^2 + 941^2 .

It is not a de Polignac number, because 1055225 - 210 = 1054201 is a prime.

It is a super-2 number, since 2×10552252 = 2226999601250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055197 and 1055206.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21080 + ... + 21129.

It is an arithmetic number, because the mean of its divisors is an integer number (218085).

21055225 is an apocalyptic number.

It is an amenable number.

1055225 is a deficient number, since it is larger than the sum of its proper divisors (253285).

1055225 is an equidigital number, since it uses as much as digits as its factorization.

1055225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42219 (or 42214 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 1055225 is about 1027.2414516558. The cubic root of 1055225 is about 101.8079495312.

The spelling of 1055225 in words is "one million, fifty-five thousand, two hundred twenty-five".

Divisors: 1 5 25 42209 211045 1055225