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2440030520 = 235203929917
BaseRepresentation
bin1001000101101111…
…1110100100111000
320022001100101121202
42101123332210320
514444121434040
61042042153332
7114315626414
oct22133764470
96261311552
102440030520
111042374054
125811b2848
132cb693355
141920bdd44
15e4332015
hex916fe938

2440030520 has 32 divisors (see below), whose sum is σ = 5492944800. Its totient is φ = 975500928.

The previous prime is 2440030511. The next prime is 2440030591. The reversal of 2440030520 is 250300442.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2440030492 and 2440030501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66602 + ... + 96518.

It is an arithmetic number, because the mean of its divisors is an integer number (171654525).

Almost surely, 22440030520 is an apocalyptic number.

2440030520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440030520 is an abundant number, since it is smaller than the sum of its proper divisors (3052914280).

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

2440030520 is a wasteful number, since it uses less digits than its factorization.

2440030520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31967 (or 31963 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2440030520 is about 49396.6650696178. The cubic root of 2440030520 is about 1346.2687125376.

Adding to 2440030520 its reverse (250300442), we get a palindrome (2690330962).

The spelling of 2440030520 in words is "two billion, four hundred forty million, thirty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 2039 4078 8156 10195 16312 20390 29917 40780 59834 81560 119668 149585 239336 299170 598340 1196680 61000763 122001526 244003052 305003815 488006104 610007630 1220015260 2440030520