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1023460661 is a prime number
BaseRepresentation
bin111101000000001…
…100010100110101
32122022211012002102
4331000030110311
54044001220121
6245320151445
734235162216
oct7500142465
92568735072
101023460661
11485798163
12246908585
13134062832
1499cd740d
155ecb790b
hex3d00c535

1023460661 has 2 divisors, whose sum is σ = 1023460662. Its totient is φ = 1023460660.

The previous prime is 1023460651. The next prime is 1023460667. The reversal of 1023460661 is 1660643201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1005270436 + 18190225 = 31706^2 + 4265^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023460661 - 222 = 1019266357 is a prime.

It is a super-2 number, since 2×10234606612 = 2094943449229113842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023460667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511730330 + 511730331.

It is an arithmetic number, because the mean of its divisors is an integer number (511730331).

Almost surely, 21023460661 is an apocalyptic number.

It is an amenable number.

1023460661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023460661 is an equidigital number, since it uses as much as digits as its factorization.

1023460661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1023460661 is about 31991.5717181885. The cubic root of 1023460661 is about 1007.7598493181.

The spelling of 1023460661 in words is "one billion, twenty-three million, four hundred sixty thousand, six hundred sixty-one".