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5442780 = 2235712959
BaseRepresentation
bin10100110000110011011100
3101020112002110
4110300303130
52343132110
6312354020
764156110
oct24606334
911215073
105442780
113088272
1219a5910
1311874a5
14a19740
15727a20
hex530cdc

5442780 has 48 divisors (see below), whose sum is σ = 17418240. Its totient is φ = 1243968.

The previous prime is 5442751. The next prime is 5442781. The reversal of 5442780 is 872445.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5442781) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6060 + ... + 6899.

It is an arithmetic number, because the mean of its divisors is an integer number (362880).

Almost surely, 25442780 is an apocalyptic number.

It is an amenable number.

5442780 is an abundant number, since it is smaller than the sum of its proper divisors (11975460).

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

5442780 is a wasteful number, since it uses less digits than its factorization.

5442780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12978 (or 12976 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 5442780 is about 2332.9766394030. The cubic root of 5442780 is about 175.9031405749.

The spelling of 5442780 in words is "five million, four hundred forty-two thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 12959 25918 38877 51836 64795 77754 90713 129590 155508 181426 194385 259180 272139 362852 388770 453565 544278 777540 907130 1088556 1360695 1814260 2721390 5442780