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10315840 = 26532237
BaseRepresentation
bin100111010110…
…100001000000
3201102002200011
4213112201000
510120101330
61005034304
7153453223
oct47264100
921362604
1010315840
115906497
123555994
1321a2562
1415275ba
15d8b82a
hex9d6840

10315840 has 28 divisors (see below), whose sum is σ = 24565356. Its totient is φ = 4126208.

The previous prime is 10315831. The next prime is 10315843. The reversal of 10315840 is 4851301.

It can be written as a sum of positive squares in 2 ways, for example, as 7573504 + 2742336 = 2752^2 + 1656^2 .

It is not an unprimeable number, because it can be changed into a prime (10315843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15799 + ... + 16438.

Almost surely, 210315840 is an apocalyptic number.

10315840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10315840 is an abundant number, since it is smaller than the sum of its proper divisors (14249516).

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

10315840 is an equidigital number, since it uses as much as digits as its factorization.

10315840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32254 (or 32244 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 10315840 is about 3211.8281398605. The cubic root of 10315840 is about 217.6881887351.

The spelling of 10315840 in words is "ten million, three hundred fifteen thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 32237 64474 128948 161185 257896 322370 515792 644740 1031584 1289480 2063168 2578960 5157920 10315840