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1325142 = 232713809
BaseRepresentation
bin101000011100001010110
32111022202100
411003201112
5314401032
644222530
714156250
oct5034126
92438670
101325142
11825665
1253aa46
13375210
14266cd0
151b297c
hex143856

1325142 has 48 divisors (see below), whose sum is σ = 3538080. Its totient is φ = 349056.

The previous prime is 1325123. The next prime is 1325143. The reversal of 1325142 is 2415231.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1234 + ... + 2042.

It is an arithmetic number, because the mean of its divisors is an integer number (73710).

21325142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769040).

1325142 is an abundant number, since it is smaller than the sum of its proper divisors (2212938).

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

1325142 is a wasteful number, since it uses less digits than its factorization.

1325142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 834 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1325142 is about 1151.1481225281. The cubic root of 1325142 is about 109.8383852574.

The spelling of 1325142 in words is "one million, three hundred twenty-five thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 182 234 273 546 809 819 1618 1638 2427 4854 5663 7281 10517 11326 14562 16989 21034 31551 33978 50967 63102 73619 94653 101934 147238 189306 220857 441714 662571 1325142