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1350520 = 235191777
BaseRepresentation
bin101001001101101111000
32112121120021
411021231320
5321204040
644540224
714323243
oct5115570
92477507
101350520
11842736
12551674
13383932
1427225a
151ba24a
hex149b78

1350520 has 32 divisors (see below), whose sum is σ = 3200400. Its totient is φ = 511488.

The previous prime is 1350511. The next prime is 1350521. The reversal of 1350520 is 250531.

It is a junction number, because it is equal to n+sod(n) for n = 1350494 and 1350503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129 + ... + 1648.

21350520 is an apocalyptic number.

1350520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1350520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600200).

1350520 is an abundant number, since it is smaller than the sum of its proper divisors (1849880).

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

1350520 is a wasteful number, since it uses less digits than its factorization.

1350520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 1350520 is about 1162.1187546890. The cubic root of 1350520 is about 110.5351334812.

The spelling of 1350520 in words is "one million, three hundred fifty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 1777 3554 7108 8885 14216 17770 33763 35540 67526 71080 135052 168815 270104 337630 675260 1350520