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401086000 = 2453728649
BaseRepresentation
bin10111111010000…
…001011000110000
31000221201021120001
4113322001120300
51310134223000
6103444355344
712640113640
oct2772013060
91027637501
10401086000
11196447937
12b23a5b54
13651319c3
143b3a8520
152532a46a
hex17e81630

401086000 has 80 divisors (see below), whose sum is σ = 1108411200. Its totient is φ = 137510400.

The previous prime is 401085989. The next prime is 401086019. The reversal of 401086000 is 680104.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325 + ... + 28324.

It is an arithmetic number, because the mean of its divisors is an integer number (13855140).

Almost surely, 2401086000 is an apocalyptic number.

401086000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401086000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554205600).

401086000 is an abundant number, since it is smaller than the sum of its proper divisors (707325200).

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

401086000 is a wasteful number, since it uses less digits than its factorization.

401086000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28679 (or 28663 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 401086000 is about 20027.1315969112. The cubic root of 401086000 is about 737.4725068751.

The spelling of 401086000 in words is "four hundred one million, eighty-six thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 125 140 175 200 250 280 350 400 500 560 700 875 1000 1400 1750 2000 2800 3500 7000 14000 28649 57298 114596 143245 200543 229192 286490 401086 458384 572980 716225 802172 1002715 1145960 1432450 1604344 2005430 2291920 2864900 3208688 3581125 4010860 5013575 5729800 7162250 8021720 10027150 11459600 14324500 16043440 20054300 25067875 28649000 40108600 50135750 57298000 80217200 100271500 200543000 401086000