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10771389 = 326717863
BaseRepresentation
bin101001000101…
…101110111101
3202021020120100
4221011232331
510224141024
61022511313
7160361316
oct51055675
922236510
1010771389
116097782
123735539
132301a05
14160560d
15e2b7c9
hexa45bbd

10771389 has 12 divisors (see below), whose sum is σ = 15791776. Its totient is φ = 7073352.

The previous prime is 10771381. The next prime is 10771391. The reversal of 10771389 is 98317701.

It is not a de Polignac number, because 10771389 - 23 = 10771381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10771381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8329 + ... + 9534.

Almost surely, 210771389 is an apocalyptic number.

It is an amenable number.

10771389 is a deficient number, since it is larger than the sum of its proper divisors (5020387).

10771389 is a wasteful number, since it uses less digits than its factorization.

10771389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17936 (or 17933 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 10771389 is about 3281.9794332080. The cubic root of 10771389 is about 220.8465250298.

The spelling of 10771389 in words is "ten million, seven hundred seventy-one thousand, three hundred eighty-nine".

Divisors: 1 3 9 67 201 603 17863 53589 160767 1196821 3590463 10771389