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11248887 = 313288433
BaseRepresentation
bin101010111010…
…010011110111
3210011111120110
4222322103313
510334431022
61041034103
7164420406
oct52722367
923144513
1011248887
116393501
123925933
13243b160
1416cb63d
15ec300c
hexaba4f7

11248887 has 8 divisors (see below), whose sum is σ = 16152304. Its totient is φ = 6922368.

The previous prime is 11248847. The next prime is 11248891. The reversal of 11248887 is 78884211.

It is a happy number.

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

It is not a de Polignac number, because 11248887 - 26 = 11248823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 288433 = 11248887 / (1 + 1 + 2 + 4 + 8 + 8 + 8 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11248807) 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, 144178 + ... + 144255.

It is an arithmetic number, because the mean of its divisors is an integer number (2019038).

Almost surely, 211248887 is an apocalyptic number.

11248887 is a deficient number, since it is larger than the sum of its proper divisors (4903417).

11248887 is a wasteful number, since it uses less digits than its factorization.

11248887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288449.

The product of its digits is 28672, while the sum is 39.

The square root of 11248887 is about 3353.9360459019. The cubic root of 11248887 is about 224.0628477457.

It can be divided in two parts, 112488 and 87, that added together give a triangular number (112575 = T474).

The spelling of 11248887 in words is "eleven million, two hundred forty-eight thousand, eight hundred eighty-seven".

Divisors: 1 3 13 39 288433 865299 3749629 11248887