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10505080 = 235262627
BaseRepresentation
bin101000000100…
…101101111000
3201202201021001
4220010231320
510142130310
61013054344
7155202025
oct50045570
921681231
1010505080
115a25693
1236273b4
13223a731
14157654c
15dc793a
hexa04b78

10505080 has 16 divisors (see below), whose sum is σ = 23636520. Its totient is φ = 4202016.

The previous prime is 10505039. The next prime is 10505083. The reversal of 10505080 is 8050501.

It is a super-2 number, since 2×105050802 = 220713411612800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505083) 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, 131274 + ... + 131353.

Almost surely, 210505080 is an apocalyptic number.

10505080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10505080 is an abundant number, since it is smaller than the sum of its proper divisors (13131440).

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

10505080 is a wasteful number, since it uses less digits than its factorization.

10505080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262638 (or 262634 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 10505080 is about 3241.1541154348. The cubic root of 10505080 is about 219.0112655186.

Adding to 10505080 its reverse (8050501), we get a palindrome (18555581).

The spelling of 10505080 in words is "ten million, five hundred five thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 262627 525254 1050508 1313135 2101016 2626270 5252540 10505080