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10725389 = 29369841
BaseRepresentation
bin101000111010…
…100000001101
3202011220110122
4220322200031
510221203024
61021514325
7160110233
oct50724015
922156418
1010725389
116066164
1237129a5
1322b6aac
1415d2953
15e1cd5e
hexa3a80d

10725389 has 4 divisors (see below), whose sum is σ = 11095260. Its totient is φ = 10355520.

The previous prime is 10725373. The next prime is 10725391. The reversal of 10725389 is 98352701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4182025 + 6543364 = 2045^2 + 2558^2 .

It is a cyclic number.

It is not a de Polignac number, because 10725389 - 24 = 10725373 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 (10727389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184892 + ... + 184949.

It is an arithmetic number, because the mean of its divisors is an integer number (2773815).

Almost surely, 210725389 is an apocalyptic number.

It is an amenable number.

10725389 is a deficient number, since it is larger than the sum of its proper divisors (369871).

10725389 is an equidigital number, since it uses as much as digits as its factorization.

10725389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369870.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 10725389 is about 3274.9639692674. The cubic root of 10725389 is about 220.5316960553.

The spelling of 10725389 in words is "ten million, seven hundred twenty-five thousand, three hundred eighty-nine".

Divisors: 1 29 369841 10725389