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1350920 = 23533773
BaseRepresentation
bin101001001110100001000
32112122010002
411021310020
5321212140
644542132
714324354
oct5116410
92478102
101350920
11842a6a
12551948
13383b7c
14272464
151ba415
hex149d08

1350920 has 16 divisors (see below), whose sum is σ = 3039660. Its totient is φ = 540352.

The previous prime is 1350911. The next prime is 1350959. The reversal of 1350920 is 290531.

It can be written as a sum of positive squares in 2 ways, for example, as 1350244 + 676 = 1162^2 + 26^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1350892 and 1350901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16847 + ... + 16926.

21350920 is an apocalyptic number.

1350920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350920 is an abundant number, since it is smaller than the sum of its proper divisors (1688740).

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

1350920 is a wasteful number, since it uses less digits than its factorization.

1350920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33784 (or 33780 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1350920 is about 1162.2908413990. The cubic root of 1350920 is about 110.5460452507.

The spelling of 1350920 in words is "one million, three hundred fifty thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 33773 67546 135092 168865 270184 337730 675460 1350920