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620083420 = 225112818561
BaseRepresentation
bin100100111101011…
…011100011011100
31121012210111112121
4210331123203130
52232220132140
6141310312324
721236423245
oct4475334334
91535714477
10620083420
11299025940
121537b86a4
139b60ac88
145c4d3ccc
153968864a
hex24f5b8dc

620083420 has 24 divisors (see below), whose sum is σ = 1420555248. Its totient is φ = 225484800.

The previous prime is 620083379. The next prime is 620083441. The reversal of 620083420 is 24380026.

It is a happy number.

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, 1409061 + ... + 1409500.

It is an arithmetic number, because the mean of its divisors is an integer number (59189802).

Almost surely, 2620083420 is an apocalyptic number.

It is an amenable number.

620083420 is an abundant number, since it is smaller than the sum of its proper divisors (800471828).

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

620083420 is a wasteful number, since it uses less digits than its factorization.

620083420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818581 (or 2818579 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 620083420 is about 24901.4742535457. The cubic root of 620083420 is about 852.7401398348.

The spelling of 620083420 in words is "six hundred twenty million, eighty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 2818561 5637122 11274244 14092805 28185610 31004171 56371220 62008342 124016684 155020855 310041710 620083420