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401839068 = 22358757047
BaseRepresentation
bin10111111100111…
…001001111011100
31001000010112120110
4113330321033130
51310332322233
6103512450020
712646401321
oct2774711734
91030115513
10401839068
11196911704
12b26a9910
13653366c7
143b522b48
1525428663
hex17f393dc

401839068 has 24 divisors (see below), whose sum is σ = 939238272. Its totient is φ = 133715824.

The previous prime is 401839063. The next prime is 401839117. The reversal of 401839068 is 860938104.

It is a super-2 number, since 2×4018390682 = 322949273142217248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401839063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21480 + ... + 35567.

It is an arithmetic number, because the mean of its divisors is an integer number (39134928).

Almost surely, 2401839068 is an apocalyptic number.

It is an amenable number.

401839068 is an abundant number, since it is smaller than the sum of its proper divisors (537399204).

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

401839068 is a wasteful number, since it uses less digits than its factorization.

401839068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57641 (or 57639 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 401839068 is about 20045.9239747137. The cubic root of 401839068 is about 737.9337709826.

The spelling of 401839068 in words is "four hundred one million, eight hundred thirty-nine thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 587 1174 1761 2348 3522 7044 57047 114094 171141 228188 342282 684564 33486589 66973178 100459767 133946356 200919534 401839068