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10709869 = 53397509
BaseRepresentation
bin101000110110…
…101101101101
3202011010011211
4220312231231
510220203434
61021314421
7160014052
oct50665555
922133154
1010709869
116055535
123705a11
1322aca01
1415cb029
15e18464
hexa36b6d

10709869 has 8 divisors (see below), whose sum is σ = 10960920. Its totient is φ = 10460736.

The previous prime is 10709861. The next prime is 10709873. The reversal of 10709869 is 96890701.

It can be written as a sum of positive squares in 4 ways, for example, as 5116644 + 5593225 = 2262^2 + 2365^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10709869 - 23 = 10709861 is a prime.

It is a super-2 number, since 2×107098692 = 229402587994322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10709861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20787 + ... + 21295.

It is an arithmetic number, because the mean of its divisors is an integer number (1370115).

Almost surely, 210709869 is an apocalyptic number.

It is an amenable number.

10709869 is a deficient number, since it is larger than the sum of its proper divisors (251051).

10709869 is an equidigital number, since it uses as much as digits as its factorization.

10709869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 10709869 is about 3272.5936197457. The cubic root of 10709869 is about 220.4252724360.

The spelling of 10709869 in words is "ten million, seven hundred nine thousand, eight hundred sixty-nine".

Divisors: 1 53 397 509 21041 26977 202073 10709869