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1052380 = 22577517
BaseRepresentation
bin100000000111011011100
31222110121001
410000323130
5232134010
634320044
711642110
oct4007334
91873531
101052380
1165973a
12429024
132ab014
141d5740
1515bc3a
hex100edc

1052380 has 24 divisors (see below), whose sum is σ = 2526048. Its totient is φ = 360768.

The previous prime is 1052333. The next prime is 1052413. The reversal of 1052380 is 832501.

It is a happy number.

It is a super-2 number, since 2×10523802 = 2215007328800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3619 + ... + 3898.

It is an arithmetic number, because the mean of its divisors is an integer number (105252).

21052380 is an apocalyptic number.

1052380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052380 is an abundant number, since it is smaller than the sum of its proper divisors (1473668).

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

1052380 is a wasteful number, since it uses less digits than its factorization.

1052380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7533 (or 7531 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1052380 is about 1025.8557403456. The cubic root of 1052380 is about 101.7163721234.

Adding to 1052380 its reverse (832501), we get a palindrome (1884881).

It can be divided in two parts, 105 and 2380, that added together give a triangular number (2485 = T70).

The spelling of 1052380 in words is "one million, fifty-two thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 7517 15034 30068 37585 52619 75170 105238 150340 210476 263095 526190 1052380