Search a number
-
+
1069425 = 32527297
BaseRepresentation
bin100000101000101110001
32000022222100
410011011301
5233210200
634531013
712042600
oct4050561
92008870
101069425
11670525
12436a69
132b59c6
141dba37
15161d00
hex105171

1069425 has 54 divisors (see below), whose sum is σ = 2251158. Its totient is φ = 483840.

The previous prime is 1069421. The next prime is 1069427. The reversal of 1069425 is 5249601.

1069425 = T96 + T97 + ... + T193.

It can be written as a sum of positive squares in 3 ways, for example, as 53361 + 1016064 = 231^2 + 1008^2 .

It is not a de Polignac number, because 1069425 - 22 = 1069421 is a prime.

It is a super-2 number, since 2×10694252 = 2287339661250, which contains 22 as substring.

It is an Ulam number.

1069425 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1069421) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 10977 + ... + 11073.

21069425 is an apocalyptic number.

1069425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1069425 is an abundant number, since it is smaller than the sum of its proper divisors (1181733).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1069425 is a wasteful number, since it uses less digits than its factorization.

1069425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1069425 is about 1034.1300691886. The cubic root of 1069425 is about 102.2625875469.

The spelling of 1069425 in words is "one million, sixty-nine thousand, four hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 49 63 75 97 105 147 175 225 245 291 315 441 485 525 679 735 873 1225 1455 1575 2037 2205 2425 3395 3675 4365 4753 6111 7275 10185 11025 14259 16975 21825 23765 30555 42777 50925 71295 118825 152775 213885 356475 1069425