Search a number
-
+
401027868 = 223310734703
BaseRepresentation
bin10111111001110…
…011001100011100
31000221121022211000
4113321303030130
51310130342433
6103443230300
712636452313
oct2771631434
91027538730
10401027868
1119640819a
12b2378390
13651113c7
143b39127a
1525318113
hex17e7331c

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".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 107 108 214 321 428 642 963 1284 1926 2889 3852 5778 11556 34703 69406 104109 138812 208218 312327 416436 624654 936981 1249308 1873962 3713221 3747924 7426442 11139663 14852884 22279326 33418989 44558652 66837978 100256967 133675956 200513934 401027868