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401828620 = 22520091431
BaseRepresentation
bin10111111100110…
…110101100001100
31001000010000020111
4113330312230030
51310332003440
6103512325404
712646326004
oct2774665414
91030100214
10401828620
11196904876
12b26a3864
1365331a1b
143b51d004
15254254ea
hex17f36b0c

401828620 has 12 divisors (see below), whose sum is σ = 843840144. Its totient is φ = 160731440.

The previous prime is 401828599. The next prime is 401828629. The reversal of 401828620 is 26828104.

401828620 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4018286202 = 322932479702208800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401828629) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10045696 + ... + 10045735.

It is an arithmetic number, because the mean of its divisors is an integer number (70320012).

Almost surely, 2401828620 is an apocalyptic number.

It is an amenable number.

401828620 is an abundant number, since it is smaller than the sum of its proper divisors (442011524).

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

401828620 is a wasteful number, since it uses less digits than its factorization.

401828620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20091440 (or 20091438 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 401828620 is about 20045.6633714128. The cubic root of 401828620 is about 737.9273753883.

The spelling of 401828620 in words is "four hundred one million, eight hundred twenty-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 20091431 40182862 80365724 100457155 200914310 401828620