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1227425 = 52291693
BaseRepresentation
bin100101011101010100001
32022100201012
410223222201
5303234200
642150305
713301333
oct4535241
92270635
101227425
11769201
124b2395
1333c8b4
1423d453
15193a35
hex12baa1

1227425 has 12 divisors (see below), whose sum is σ = 1575420. Its totient is φ = 947520.

The previous prime is 1227407. The next prime is 1227431. The reversal of 1227425 is 5247221.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 43681 + 1183744 = 209^2 + 1088^2 .

It is not a de Polignac number, because 1227425 - 212 = 1223329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1227425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122 + ... + 1571.

It is an arithmetic number, because the mean of its divisors is an integer number (131285).

21227425 is an apocalyptic number.

It is an amenable number.

1227425 is a deficient number, since it is larger than the sum of its proper divisors (347995).

1227425 is a wasteful number, since it uses less digits than its factorization.

1227425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732 (or 1727 counting only the distinct ones).

The product of its digits is 1120, while the sum is 23.

The square root of 1227425 is about 1107.8921427648. The cubic root of 1227425 is about 107.0693061343.

The spelling of 1227425 in words is "one million, two hundred twenty-seven thousand, four hundred twenty-five".

Divisors: 1 5 25 29 145 725 1693 8465 42325 49097 245485 1227425