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10018040 = 235250451
BaseRepresentation
bin100110001101…
…110011111000
3200211222011112
4212031303320
510031034130
6554415452
7151103054
oct46156370
920758145
1010018040
11572277a
123431588
1320c9b46
14148ac64
15d2d495
hex98dcf8

10018040 has 16 divisors (see below), whose sum is σ = 22540680. Its totient is φ = 4007200.

The previous prime is 10018039. The next prime is 10018061. The reversal of 10018040 is 4081001.

It is a happy number.

It is a super-2 number, since 2×100180402 = 200722250883200, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 125186 + ... + 125265.

Almost surely, 210018040 is an apocalyptic number.

10018040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10018040 is an abundant number, since it is smaller than the sum of its proper divisors (12522640).

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

10018040 is a wasteful number, since it uses less digits than its factorization.

10018040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250462 (or 250458 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 10018040 is about 3165.1287493560. The cubic root of 10018040 is about 215.5729445158.

Adding to 10018040 its reverse (4081001), we get a palindrome (14099041).

The spelling of 10018040 in words is "ten million, eighteen thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 250451 500902 1001804 1252255 2003608 2504510 5009020 10018040