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10509730 = 2571113649
BaseRepresentation
bin101000000101…
…110110100010
3201202221122021
4220011312202
510142302410
61013132054
7155221420
oct50056642
921687567
1010509730
115a29130
12362a02a
13223c89a
141578110
15dc8eda
hexa05da2

10509730 has 32 divisors (see below), whose sum is σ = 23587200. Its totient is φ = 3275520.

The previous prime is 10509703. The next prime is 10509773. The reversal of 10509730 is 3790501.

It is a super-2 number, since 2×105097302 = 220908849345800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10509695 and 10509704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6055 + ... + 7594.

It is an arithmetic number, because the mean of its divisors is an integer number (737100).

Almost surely, 210509730 is an apocalyptic number.

10509730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10509730 is an abundant number, since it is smaller than the sum of its proper divisors (13077470).

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

10509730 is a wasteful number, since it uses less digits than its factorization.

10509730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13674.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 10509730 is about 3241.8713731424. The cubic root of 10509730 is about 219.0435753522.

The spelling of 10509730 in words is "ten million, five hundred nine thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 13649 27298 68245 95543 136490 150139 191086 300278 477715 750695 955430 1050973 1501390 2101946 5254865 10509730