Search a number
-
+
1325192 = 23112372
BaseRepresentation
bin101000011100010001000
32111022211012
411003202020
5314401232
644223052
714156351
oct5034210
92438735
101325192
11825700
1253aa88
1337524b
14266d28
151b29b2
hex143888

1325192 has 36 divisors (see below), whose sum is σ = 2806965. Its totient is φ = 586080.

The previous prime is 1325183. The next prime is 1325197. The reversal of 1325192 is 2915231.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 1069156 + 256036 = 1034^2 + 506^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=814.

It is a super-2 number, since 2×13251922 = 3512267673728, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 35798 + ... + 35834.

21325192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325192

1325192 is an abundant number, since it is smaller than the sum of its proper divisors (1481773).

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

1325192 is a wasteful number, since it uses less digits than its factorization.

1325192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 50 counting only the distinct ones).

The product of its digits is 540, while the sum is 23.

The square root of 1325192 is about 1151.1698397717. The cubic root of 1325192 is about 109.8397667069.

The spelling of 1325192 in words is "one million, three hundred twenty-five thousand, one hundred ninety-two".

Divisors: 1 2 4 8 11 22 37 44 74 88 121 148 242 296 407 484 814 968 1369 1628 2738 3256 4477 5476 8954 10952 15059 17908 30118 35816 60236 120472 165649 331298 662596 1325192