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11261887 = 713123757
BaseRepresentation
bin101010111101…
…011110111111
3210012011101221
4222331132333
510340340022
61041214211
7164503330
oct52753677
923164357
1011261887
1163a224a
123931367
132444050
1416d2287
15ec6cc7
hexabd7bf

11261887 has 8 divisors (see below), whose sum is σ = 13860896. Its totient is φ = 8910432.

The previous prime is 11261869. The next prime is 11261891. The reversal of 11261887 is 78816211.

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

It is a cyclic number.

It is not a de Polignac number, because 11261887 - 223 = 2873279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11264887) 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, 61788 + ... + 61969.

It is an arithmetic number, because the mean of its divisors is an integer number (1732612).

Almost surely, 211261887 is an apocalyptic number.

11261887 is a deficient number, since it is larger than the sum of its proper divisors (2599009).

11261887 is a wasteful number, since it uses less digits than its factorization.

11261887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123777.

The product of its digits is 5376, while the sum is 34.

The square root of 11261887 is about 3355.8735077473. The cubic root of 11261887 is about 224.1491287456.

The spelling of 11261887 in words is "eleven million, two hundred sixty-one thousand, eight hundred eighty-seven".

Divisors: 1 7 13 91 123757 866299 1608841 11261887