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16030780 = 225801539
BaseRepresentation
bin111101001001…
…110000111100
31010011110002121
4331021300330
513100441110
61331332324
7253154653
oct75116074
933143077
1016030780
11905a187
1254510a4
13342388c
1421b419a
151619cda
hexf49c3c

16030780 has 12 divisors (see below), whose sum is σ = 33664680. Its totient is φ = 6412304.

The previous prime is 16030771. The next prime is 16030783. The reversal of 16030780 is 8703061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16030783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400750 + ... + 400789.

It is an arithmetic number, because the mean of its divisors is an integer number (2805390).

Almost surely, 216030780 is an apocalyptic number.

16030780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16030780 is an abundant number, since it is smaller than the sum of its proper divisors (17633900).

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

16030780 is a wasteful number, since it uses less digits than its factorization.

16030780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801548 (or 801546 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 16030780 is about 4003.8456513707. The cubic root of 16030780 is about 252.1456913479.

The spelling of 16030780 in words is "sixteen million, thirty thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 801539 1603078 3206156 4007695 8015390 16030780