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11487641 = 113592909
BaseRepresentation
bin101011110100…
…100110011001
3210121122002012
4223310212121
510420101031
61050115305
7166433444
oct53644631
923548065
1011487641
116536920
123a1bb35
1324c2a29
14175065b
15101db2b
hexaf4999

11487641 has 8 divisors (see below), whose sum is σ = 12571200. Its totient is φ = 10410640.

The previous prime is 11487629. The next prime is 11487653. The reversal of 11487641 is 14678411.

It is an interprime number because it is at equal distance from previous prime (11487629) and next prime (11487653).

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 11487641 - 210 = 11486617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11487598 and 11487607.

It is not an unprimeable number, because it can be changed into a prime (11487691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2495 + ... + 5403.

It is an arithmetic number, because the mean of its divisors is an integer number (1571400).

Almost surely, 211487641 is an apocalyptic number.

11487641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11487641 is a deficient number, since it is larger than the sum of its proper divisors (1083559).

11487641 is a wasteful number, since it uses less digits than its factorization.

11487641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279.

The product of its digits is 5376, while the sum is 32.

The square root of 11487641 is about 3389.3422665762. The cubic root of 11487641 is about 225.6369834515.

The spelling of 11487641 in words is "eleven million, four hundred eighty-seven thousand, six hundred forty-one".

Divisors: 1 11 359 2909 3949 31999 1044331 11487641