Search a number
-
+
401300000 = 25554013
BaseRepresentation
bin10111111010110…
…101101000100000
31000222010011002222
4113322311220200
51310213100000
6103453130212
712641664563
oct2772655040
91028104088
10401300000
111965836a2
12b2489968
13651a822a
143b4224da
152536da85
hex17eb5a20

401300000 has 72 divisors (see below), whose sum is σ = 987757092. Its totient is φ = 160480000.

The previous prime is 401299993. The next prime is 401300033. The reversal of 401300000 is 3104.

It can be written as a sum of positive squares in 6 ways, for example, as 11316496 + 389983504 = 3364^2 + 19748^2 .

It is a super-2 number, since 2×4013000002 = 322083380000000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97994 + ... + 102006.

Almost surely, 2401300000 is an apocalyptic number.

401300000 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 401300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493878546).

401300000 is an abundant number, since it is smaller than the sum of its proper divisors (586457092).

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

401300000 is an frugal number, since it uses more digits than its factorization.

401300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048 (or 4020 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 401300000 is about 20032.4736365732. The cubic root of 401300000 is about 737.6036433867.

Adding to 401300000 its reverse (3104), we get a palindrome (401303104).

The spelling of 401300000 in words is "four hundred one million, three hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3125 4000 4013 5000 6250 8026 10000 12500 16052 20000 20065 25000 32104 40130 50000 64208 80260 100000 100325 128416 160520 200650 321040 401300 501625 642080 802600 1003250 1605200 2006500 2508125 3210400 4013000 5016250 8026000 10032500 12540625 16052000 20065000 25081250 40130000 50162500 80260000 100325000 200650000 401300000