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11247023 = 23489001
BaseRepresentation
bin101010111001…
…110110101111
3210011102000102
4222321312233
510334401043
61041021315
7164412104
oct52716657
923142012
1011247023
116392067
12392483b
13243a358
1416caaab
15ec26b8
hexab9daf

11247023 has 4 divisors (see below), whose sum is σ = 11736048. Its totient is φ = 10758000.

The previous prime is 11247011. The next prime is 11247083. The reversal of 11247023 is 32074211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32074211 = 132467247.

It is a cyclic number.

It is not a de Polignac number, because 11247023 - 24 = 11247007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11246986 and 11247004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11247083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244478 + ... + 244523.

It is an arithmetic number, because the mean of its divisors is an integer number (2934012).

Almost surely, 211247023 is an apocalyptic number.

11247023 is a deficient number, since it is larger than the sum of its proper divisors (489025).

11247023 is an equidigital number, since it uses as much as digits as its factorization.

11247023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489024.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 11247023 is about 3353.6581519290. The cubic root of 11247023 is about 224.0504709295.

The spelling of 11247023 in words is "eleven million, two hundred forty-seven thousand, twenty-three".

Divisors: 1 23 489001 11247023