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1461292493 is a prime number
BaseRepresentation
bin101011100011001…
…1000110111001101
310202211200100110012
41113012120313031
510443042324433
6401000323005
751132531653
oct12706306715
93684610405
101461292493
1168a952751
12349473465
131a398bb1b
14dc108dd3
1588450848
hex57198dcd

1461292493 has 2 divisors, whose sum is σ = 1461292494. Its totient is φ = 1461292492.

The previous prime is 1461292453. The next prime is 1461292517. The reversal of 1461292493 is 3942921641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1413985609 + 47306884 = 37603^2 + 6878^2 .

It is an emirp because it is prime and its reverse (3942921641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1461292493 - 216 = 1461226957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1461292493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1461292403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730646246 + 730646247.

It is an arithmetic number, because the mean of its divisors is an integer number (730646247).

Almost surely, 21461292493 is an apocalyptic number.

It is an amenable number.

1461292493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461292493 is an equidigital number, since it uses as much as digits as its factorization.

1461292493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The square root of 1461292493 is about 38226.8556514919. The cubic root of 1461292493 is about 1134.7818590132.

The spelling of 1461292493 in words is "one billion, four hundred sixty-one million, two hundred ninety-two thousand, four hundred ninety-three".