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1470228491 is a prime number
BaseRepresentation
bin101011110100001…
…1110100000001011
310210110111100100002
41113220132200023
511002334302431
6401520033215
751301510304
oct12750364013
93713440302
101470228491
116949a6476
1235046280b
131a579a2b4
14dd3937ab
15891183cb
hex57a1e80b

1470228491 has 2 divisors, whose sum is σ = 1470228492. Its totient is φ = 1470228490.

The previous prime is 1470228481. The next prime is 1470228497. The reversal of 1470228491 is 1948220741.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1470228491 - 218 = 1469966347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1470228497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 735114245 + 735114246.

It is an arithmetic number, because the mean of its divisors is an integer number (735114246).

Almost surely, 21470228491 is an apocalyptic number.

1470228491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1470228491 is an equidigital number, since it uses as much as digits as its factorization.

1470228491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1470228491 is about 38343.5586637443. The cubic root of 1470228491 is about 1137.0902739782.

The spelling of 1470228491 in words is "one billion, four hundred seventy million, two hundred twenty-eight thousand, four hundred ninety-one".