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1408745197 is a prime number
BaseRepresentation
bin101001111110111…
…1011111011101101
310122011210200010001
41103331323323231
510341114321242
6351442144301
746624064566
oct12375737355
93564720101
101408745197
11663222132
12333952091
13195b21152
14d514b16d
1583a20eb7
hex53f7beed

1408745197 has 2 divisors, whose sum is σ = 1408745198. Its totient is φ = 1408745196.

The previous prime is 1408745179. The next prime is 1408745237. The reversal of 1408745197 is 7915478041.

It is a happy number.

Together with previous prime (1408745179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1392334596 + 16410601 = 37314^2 + 4051^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1408745197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1408745297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704372598 + 704372599.

It is an arithmetic number, because the mean of its divisors is an integer number (704372599).

Almost surely, 21408745197 is an apocalyptic number.

It is an amenable number.

1408745197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1408745197 is an equidigital number, since it uses as much as digits as its factorization.

1408745197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 1408745197 is about 37533.2545484668. The cubic root of 1408745197 is about 1121.0134314131.

The spelling of 1408745197 in words is "one billion, four hundred eight million, seven hundred forty-five thousand, one hundred ninety-seven".