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1980552 = 233711789
BaseRepresentation
bin111100011100010001000
310201121210210
413203202020
51001334202
6110241120
722556130
oct7434210
93647723
101980552
111133022
127b61a0
13544632
14397ac0
15291c6c
hex1e3888

1980552 has 32 divisors (see below), whose sum is σ = 5659200. Its totient is φ = 565824.

The previous prime is 1980529. The next prime is 1980577. The reversal of 1980552 is 2550891.

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, 5727 + ... + 6062.

It is an arithmetic number, because the mean of its divisors is an integer number (176850).

21980552 is an apocalyptic number.

1980552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1980552 is an abundant number, since it is smaller than the sum of its proper divisors (3678648).

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

1980552 is a wasteful number, since it uses less digits than its factorization.

1980552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11805 (or 11801 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1980552 is about 1407.3208589373. The cubic root of 1980552 is about 125.5823916787.

The spelling of 1980552 in words is "one million, nine hundred eighty thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 11789 23578 35367 47156 70734 82523 94312 141468 165046 247569 282936 330092 495138 660184 990276 1980552