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10805530 = 251080553
BaseRepresentation
bin101001001110…
…000100011010
3202022222101211
4221032010122
510231234110
61023333334
7160563001
oct51160432
922288354
1010805530
11611039a
12375124a
132314408
141613c38
15e3698a
hexa4e11a

10805530 has 8 divisors (see below), whose sum is σ = 19449972. Its totient is φ = 4322208.

The previous prime is 10805507. The next prime is 10805539. The reversal of 10805530 is 3550801.

It can be written as a sum of positive squares in 2 ways, for example, as 10131489 + 674041 = 3183^2 + 821^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10805539) 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, 540267 + ... + 540286.

Almost surely, 210805530 is an apocalyptic number.

10805530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10805530 is a deficient number, since it is larger than the sum of its proper divisors (8644442).

10805530 is a wasteful number, since it uses less digits than its factorization.

10805530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080560.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 10805530 is about 3287.1766000627. The cubic root of 10805530 is about 221.0796106925.

The spelling of 10805530 in words is "ten million, eight hundred five thousand, five hundred thirty".

Divisors: 1 2 5 10 1080553 2161106 5402765 10805530