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8241040 = 245313323
BaseRepresentation
bin11111011011111110010000
3120111200120201
4133123332100
54102203130
6452344544
7130022233
oct37337620
916450521
108241040
114719685
122915154
131927072
14114741a
15acbbca
hex7dbf90

8241040 has 40 divisors (see below), whose sum is σ = 19784448. Its totient is φ = 3189120.

The previous prime is 8241019. The next prime is 8241091. The reversal of 8241040 is 401428.

8241040 is nontrivially palindromic in base 15.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 8240999 and 8241017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819 + ... + 4141.

Almost surely, 28241040 is an apocalyptic number.

8241040 is a gapful number since it is divisible by the number (80) 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 8241040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9892224).

8241040 is an abundant number, since it is smaller than the sum of its proper divisors (11543408).

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

8241040 is a wasteful number, since it uses less digits than its factorization.

8241040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367 (or 3361 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 8241040 is about 2870.7211637496. The cubic root of 8241040 is about 201.9888240067.

Adding to 8241040 its reverse (401428), we get a palindrome (8642468).

The spelling of 8241040 in words is "eight million, two hundred forty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 155 248 310 496 620 1240 2480 3323 6646 13292 16615 26584 33230 53168 66460 103013 132920 206026 265840 412052 515065 824104 1030130 1648208 2060260 4120520 8241040