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10689146 = 213537757
BaseRepresentation
bin101000110001…
…101001111010
3202010001202022
4220301221322
510214023041
61021034442
7156566456
oct50615172
922101668
1010689146
116040a06
1236b5a22
1322a3450
1415c3666
15e1224b
hexa31a7a

10689146 has 16 divisors (see below), whose sum is σ = 17595144. Its totient is φ = 4839744.

The previous prime is 10689137. The next prime is 10689149. The reversal of 10689146 is 64198601.

10689146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9765625 + 923521 = 3125^2 + 961^2 .

It is a super-2 number, since 2×106891462 = 228515684418632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10689149) 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, 2501 + ... + 5256.

Almost surely, 210689146 is an apocalyptic number.

10689146 is a deficient number, since it is larger than the sum of its proper divisors (6905998).

10689146 is a wasteful number, since it uses less digits than its factorization.

10689146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7825.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 10689146 is about 3269.4259434953. The cubic root of 10689146 is about 220.2830104318.

It can be divided in two parts, 106 and 89146, that multiplied together give a square (9449476 = 30742).

The spelling of 10689146 in words is "ten million, six hundred eighty-nine thousand, one hundred forty-six".

Divisors: 1 2 13 26 53 106 689 1378 7757 15514 100841 201682 411121 822242 5344573 10689146