Base | Representation |
---|---|
bin | 10111111001110… |
… | …011001100011100 |
3 | 1000221121022211000 |
4 | 113321303030130 |
5 | 1310130342433 |
6 | 103443230300 |
7 | 12636452313 |
oct | 2771631434 |
9 | 1027538730 |
10 | 401027868 |
11 | 19640819a |
12 | b2378390 |
13 | 651113c7 |
14 | 3b39127a |
15 | 25318113 |
hex | 17e7331c |
401027868 has 48 divisors (see below), whose sum is σ = 1049448960. Its totient is φ = 132422832.
The previous prime is 401027857. The next prime is 401027881. The reversal of 401027868 is 868720104.
It is a Harshad number since it is a multiple of its sum of digits (36).
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 15 ways as a sum of consecutive naturals, for example, 5796 + ... + 28907.
It is an arithmetic number, because the mean of its divisors is an integer number (21863520).
Almost surely, 2401027868 is an apocalyptic number.
It is an amenable number.
401027868 is an abundant number, since it is smaller than the sum of its proper divisors (648421092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
401027868 is a wasteful number, since it uses less digits than its factorization.
401027868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34823 (or 34815 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 401027868 is about 20025.6802131663. The cubic root of 401027868 is about 737.4368762597.
It can be divided in two parts, 4010 and 27868, that added together give a triangular number (31878 = T252).
The spelling of 401027868 in words is "four hundred one million, twenty-seven thousand, eight hundred sixty-eight".
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