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1455420101 is a prime number
BaseRepresentation
bin101011010111111…
…1111001011000101
310202102122000001012
41112233333023011
510440041420401
6400230412005
751031603202
oct12657771305
93672560035
101455420101
11687601733
12347501005
131a26b3c35
14db41aca9
1587b908bb
hex56bff2c5

1455420101 has 2 divisors, whose sum is σ = 1455420102. Its totient is φ = 1455420100.

The previous prime is 1455420089. The next prime is 1455420119. The reversal of 1455420101 is 1010245541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1326052225 + 129367876 = 36415^2 + 11374^2 .

It is a cyclic number.

It is not a de Polignac number, because 1455420101 - 26 = 1455420037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1455420601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727710050 + 727710051.

It is an arithmetic number, because the mean of its divisors is an integer number (727710051).

Almost surely, 21455420101 is an apocalyptic number.

It is an amenable number.

1455420101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455420101 is an equidigital number, since it uses as much as digits as its factorization.

1455420101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1455420101 is about 38149.9685583095. The cubic root of 1455420101 is about 1133.2597292357.

Adding to 1455420101 its reverse (1010245541), we get a palindrome (2465665642).

The spelling of 1455420101 in words is "one billion, four hundred fifty-five million, four hundred twenty thousand, one hundred one".