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2049907860 = 223257111331367
BaseRepresentation
bin111101000101111…
…0001110010010100
312021212021002221100
41322023301302110
513144234022420
6535224350100
7101540633520
oct17213616224
95255232840
102049907860
11962135130
12492615330
132688cc840
1415636ad80
15bee70190
hex7a2f1c94

2049907860 has 576 divisors, whose sum is σ = 8641511424. Its totient is φ = 379468800.

The previous prime is 2049907831. The next prime is 2049907877. The reversal of 2049907860 is 687099402.

It is a happy number.

2049907860 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5585397 + ... + 5585763.

It is an arithmetic number, because the mean of its divisors is an integer number (15002624).

Almost surely, 22049907860 is an apocalyptic number.

2049907860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2049907860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4320755712).

2049907860 is an abundant number, since it is smaller than the sum of its proper divisors (6591603564).

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

2049907860 is a wasteful number, since it uses less digits than its factorization.

2049907860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2049907860 is about 45275.9081631722. The cubic root of 2049907860 is about 1270.3150601974.

It can be divided in two parts, 2049 and 907860, that added together give a palindrome (909909).

The spelling of 2049907860 in words is "two billion, forty-nine million, nine hundred seven thousand, eight hundred sixty".