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2064790420 = 22572111719593
BaseRepresentation
bin111101100010010…
…0011001110010100
312022220021012222021
41323010203032110
513212041243140
6540515342524
7102111300100
oct17304431624
95286235867
102064790420
1196a57a670
124975b1a44
1326ba108a4
14158322900
15c140eb4a
hex7b123394

2064790420 has 288 divisors, whose sum is σ = 6143195520. Its totient is φ = 572866560.

The previous prime is 2064790397. The next prime is 2064790421. The reversal of 2064790420 is 240974602.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064790421) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3481644 + ... + 3482236.

It is an arithmetic number, because the mean of its divisors is an integer number (21330540).

Almost surely, 22064790420 is an apocalyptic number.

2064790420 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 2064790420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3071597760).

2064790420 is an abundant number, since it is smaller than the sum of its proper divisors (4078405100).

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

2064790420 is a wasteful number, since it uses less digits than its factorization.

2064790420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 2064790420 is about 45439.9650087893. The cubic root of 2064790420 is about 1273.3818600940.

The spelling of 2064790420 in words is "two billion, sixty-four million, seven hundred ninety thousand, four hundred twenty".