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1454806669 is a prime number
BaseRepresentation
bin101011010110110…
…1001011010001101
310202101110211120111
41112231221122031
510434412303134
6400205320021
751023436601
oct12655513215
93671424514
101454806669
11687222868
12347266011
131a252a964
14db2db501
1587abdc64
hex56b6968d

1454806669 has 2 divisors, whose sum is σ = 1454806670. Its totient is φ = 1454806668.

The previous prime is 1454806643. The next prime is 1454806681. The reversal of 1454806669 is 9666084541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1414737769 + 40068900 = 37613^2 + 6330^2 .

It is a cyclic number.

It is not a de Polignac number, because 1454806669 - 211 = 1454804621 is a prime.

It is a super-2 number, since 2×14548066692 = 4232924888333751122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1454806609) 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, 727403334 + 727403335.

It is an arithmetic number, because the mean of its divisors is an integer number (727403335).

Almost surely, 21454806669 is an apocalyptic number.

It is an amenable number.

1454806669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1454806669 is an equidigital number, since it uses as much as digits as its factorization.

1454806669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 1454806669 is about 38141.9279664780. The cubic root of 1454806669 is about 1133.1004910261.

The spelling of 1454806669 in words is "one billion, four hundred fifty-four million, eight hundred six thousand, six hundred sixty-nine".