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8712041 = 131779499
BaseRepresentation
bin100001001110…
…111101101001
3121101121200012
4201032331221
54212241131
6510421305
7134023352
oct41167551
917347605
108712041
114a10538
122b01835
131a60570
14122ad29
15b7152b
hex84ef69

8712041 has 16 divisors (see below), whose sum is σ = 10080000. Its totient is φ = 7458048.

The previous prime is 8712029. The next prime is 8712059. The reversal of 8712041 is 1402178.

It is a de Polignac number, because none of the positive numbers 2k-8712041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8711998 and 8712016.

It is not an unprimeable number, because it can be changed into a prime (8712091) 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 15 ways as a sum of consecutive naturals, for example, 17210 + ... + 17708.

It is an arithmetic number, because the mean of its divisors is an integer number (630000).

Almost surely, 28712041 is an apocalyptic number.

It is an amenable number.

8712041 is a deficient number, since it is larger than the sum of its proper divisors (1367959).

8712041 is a wasteful number, since it uses less digits than its factorization.

8712041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 8712041 is about 2951.6166756542. The cubic root of 8712041 is about 205.7658523495.

The spelling of 8712041 in words is "eight million, seven hundred twelve thousand, forty-one".

Divisors: 1 13 17 79 221 499 1027 1343 6487 8483 17459 39421 110279 512473 670157 8712041