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11487061 = 53732969
BaseRepresentation
bin101011110100…
…011101010101
3210121121021201
4223310131111
510420041221
61050112501
7166431655
oct53643525
923547251
1011487061
116536443
123a1b731
1324c26a1
141750365
15101d891
hexaf4755

11487061 has 8 divisors (see below), whose sum is σ = 11868120. Its totient is φ = 11112192.

The previous prime is 11487043. The next prime is 11487067. The reversal of 11487061 is 16078411.

It can be written as a sum of positive squares in 4 ways, for example, as 398161 + 11088900 = 631^2 + 3330^2 .

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

It is not a de Polignac number, because 11487061 - 27 = 11486933 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 (11487067) 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, 2385 + ... + 5353.

It is an arithmetic number, because the mean of its divisors is an integer number (1483515).

Almost surely, 211487061 is an apocalyptic number.

It is an amenable number.

11487061 is a deficient number, since it is larger than the sum of its proper divisors (381059).

11487061 is an equidigital number, since it uses as much as digits as its factorization.

11487061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 11487061 is about 3389.2567031725. The cubic root of 11487061 is about 225.6331859892.

The spelling of 11487061 in words is "eleven million, four hundred eighty-seven thousand, sixty-one".

Divisors: 1 53 73 2969 3869 157357 216737 11487061