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8918141 is a prime number
BaseRepresentation
bin100010000001…
…010001111101
3121210002101112
4202001101331
54240340031
6515051405
7135542261
oct42012175
917702345
108918141
115041371
122ba0b65
131b0330b
1412820a1
15bb262b
hex88147d

8918141 has 2 divisors, whose sum is σ = 8918142. Its totient is φ = 8918140.

The previous prime is 8918131. The next prime is 8918171. The reversal of 8918141 is 1418198.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6528025 + 2390116 = 2555^2 + 1546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8918141 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8918098 and 8918107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8918131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4459070 + 4459071.

It is an arithmetic number, because the mean of its divisors is an integer number (4459071).

Almost surely, 28918141 is an apocalyptic number.

It is an amenable number.

8918141 is a deficient number, since it is larger than the sum of its proper divisors (1).

8918141 is an equidigital number, since it uses as much as digits as its factorization.

8918141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 32.

The square root of 8918141 is about 2986.3256687776. The cubic root of 8918141 is about 207.3758176973.

The spelling of 8918141 in words is "eight million, nine hundred eighteen thousand, one hundred forty-one".