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10504840 = 235262621
BaseRepresentation
bin101000000100…
…101010001000
3201202200221011
4220010222020
510142123330
61013053304
7155201233
oct50045210
921680834
1010504840
115a25495
123627234
13223a5a8
14157641a
15dc782a
hexa04a88

10504840 has 16 divisors (see below), whose sum is σ = 23635980. Its totient is φ = 4201920.

The previous prime is 10504817. The next prime is 10504841. The reversal of 10504840 is 4840501.

It can be written as a sum of positive squares in 2 ways, for example, as 9351364 + 1153476 = 3058^2 + 1074^2 .

It is a super-2 number, since 2×105048402 = 220703326851200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10504841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131271 + ... + 131350.

Almost surely, 210504840 is an apocalyptic number.

10504840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10504840 is an abundant number, since it is smaller than the sum of its proper divisors (13131140).

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

10504840 is a wasteful number, since it uses less digits than its factorization.

10504840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262632 (or 262628 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 10504840 is about 3241.1170913745. The cubic root of 10504840 is about 219.0095976556.

The spelling of 10504840 in words is "ten million, five hundred four thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 262621 525242 1050484 1313105 2100968 2626210 5252420 10504840