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10769661 = 327224421
BaseRepresentation
bin101001000101…
…010011111101
3202021011012100
4221011103331
510224112121
61022455313
7160353300
oct51052375
922234170
1010769661
116096451
123734539
132300ca6
141604b37
15e2b026
hexa454fd

10769661 has 18 divisors (see below), whose sum is σ = 18096702. Its totient is φ = 6153840.

The previous prime is 10769659. The next prime is 10769669. The reversal of 10769661 is 16696701.

It can be written as a sum of positive squares in only one way, i.e., 5433561 + 5336100 = 2331^2 + 2310^2 .

It is not a de Polignac number, because 10769661 - 21 = 10769659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10769669) 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 17 ways as a sum of consecutive naturals, for example, 11770 + ... + 12651.

Almost surely, 210769661 is an apocalyptic number.

It is an amenable number.

10769661 is a deficient number, since it is larger than the sum of its proper divisors (7327041).

10769661 is a wasteful number, since it uses less digits than its factorization.

10769661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24441 (or 24431 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 10769661 is about 3281.7161668859. The cubic root of 10769661 is about 220.8347146308.

The spelling of 10769661 in words is "ten million, seven hundred sixty-nine thousand, six hundred sixty-one".

Divisors: 1 3 7 9 21 49 63 147 441 24421 73263 170947 219789 512841 1196629 1538523 3589887 10769661