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1200052 = 22742859
BaseRepresentation
bin100100100111110110100
32020222011101
410210332310
5301400202
641415444
713125460
oct4447664
92228141
101200052
1174a687
1249a584
133302b9
142334a0
1518a887
hex124fb4

1200052 has 12 divisors (see below), whose sum is σ = 2400160. Its totient is φ = 514296.

The previous prime is 1200007. The next prime is 1200061. The reversal of 1200052 is 2500021.

1200052 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21402 + ... + 21457.

21200052 is an apocalyptic number.

It is an amenable number.

1200052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1200052 is a wasteful number, since it uses less digits than its factorization.

1200052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42870 (or 42868 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 1200052 is about 1095.4688493974. The cubic root of 1200052 is about 106.2673918474.

Adding to 1200052 its reverse (2500021), we get a palindrome (3700073).

The spelling of 1200052 in words is "one million, two hundred thousand, fifty-two".

Divisors: 1 2 4 7 14 28 42859 85718 171436 300013 600026 1200052