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8448013 = 71577687
BaseRepresentation
bin100000001110…
…100000001101
3120220012111101
4200032200031
54130314023
6501023101
7131543530
oct40164015
916805441
108448013
114850132
1229b4a91
13199a332
14119ca17
15b1d1ad
hex80e80d

8448013 has 8 divisors (see below), whose sum is σ = 9717632. Its totient is φ = 7194096.

The previous prime is 8448007. The next prime is 8448017. The reversal of 8448013 is 3108448.

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

It is not a de Polignac number, because 8448013 - 25 = 8447981 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 (8448017) 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, 2745 + ... + 4942.

It is an arithmetic number, because the mean of its divisors is an integer number (1214704).

Almost surely, 28448013 is an apocalyptic number.

It is an amenable number.

8448013 is a deficient number, since it is larger than the sum of its proper divisors (1269619).

8448013 is a wasteful number, since it uses less digits than its factorization.

8448013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7851.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 8448013 is about 2906.5465762654. The cubic root of 8448013 is about 203.6658392550.

The spelling of 8448013 in words is "eight million, four hundred forty-eight thousand, thirteen".

Divisors: 1 7 157 1099 7687 53809 1206859 8448013