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1481189 is a prime number
BaseRepresentation
bin101101001100111100101
32210020210212
411221213211
5334344224
651425205
715406223
oct5514745
92706725
101481189
11921926
125b5205
133cb258
142a7b13
151e3d0e
hex1699e5

1481189 has 2 divisors, whose sum is σ = 1481190. Its totient is φ = 1481188.

The previous prime is 1481173. The next prime is 1481197. The reversal of 1481189 is 9811841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1481089 + 100 = 1217^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481189 - 24 = 1481173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1481489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740594 + 740595.

It is an arithmetic number, because the mean of its divisors is an integer number (740595).

21481189 is an apocalyptic number.

It is an amenable number.

1481189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481189 is an equidigital number, since it uses as much as digits as its factorization.

1481189 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 1481189 is about 1217.0410839409. The cubic root of 1481189 is about 113.9908939069.

The spelling of 1481189 in words is "one million, four hundred eighty-one thousand, one hundred eighty-nine".