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10865020 = 2251673253
BaseRepresentation
bin101001011100…
…100101111100
3202110000000011
4221130211330
510240140040
61024513004
7161231305
oct51344574
922400004
1010865020
116151061
12377b764
13233550a
14162b7ac
15e493ea
hexa5c97c

10865020 has 24 divisors (see below), whose sum is σ = 22960224. Its totient is φ = 4318656.

The previous prime is 10864999. The next prime is 10865021. The reversal of 10865020 is 2056801.

It is a happy number.

It is a super-4 number, since 4×108650204 (a number of 29 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10864982 and 10865000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10865021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1714 + ... + 4966.

It is an arithmetic number, because the mean of its divisors is an integer number (956676).

Almost surely, 210865020 is an apocalyptic number.

10865020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10865020 is an abundant number, since it is smaller than the sum of its proper divisors (12095204).

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

10865020 is a wasteful number, since it uses less digits than its factorization.

10865020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429 (or 3427 counting only the distinct ones).

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

The square root of 10865020 is about 3296.2129785558. The cubic root of 10865020 is about 221.4845873841.

The spelling of 10865020 in words is "ten million, eight hundred sixty-five thousand, twenty".

Divisors: 1 2 4 5 10 20 167 334 668 835 1670 3253 3340 6506 13012 16265 32530 65060 543251 1086502 2173004 2716255 5432510 10865020