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1450015081 = 1649387917
BaseRepresentation
bin101011001101101…
…0111100101101001
310202001110101202021
41112123113211221
510432200440311
6355514504441
750634632134
oct12633274551
93661411667
101450015081
1168454a879
12345735121
131a15409b8
14da81121b
1587474171
hex566d7969

1450015081 has 4 divisors (see below), whose sum is σ = 1450119492. Its totient is φ = 1449910672.

The previous prime is 1450015069. The next prime is 1450015103. The reversal of 1450015081 is 1805100541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 230888025 + 1219127056 = 15195^2 + 34916^2 .

It is a cyclic number.

It is not a de Polignac number, because 1450015081 - 27 = 1450014953 is a prime.

It is a super-2 number, since 2×14500150812 = 4205087470254873122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1450015481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27466 + ... + 60451.

It is an arithmetic number, because the mean of its divisors is an integer number (362529873).

Almost surely, 21450015081 is an apocalyptic number.

It is an amenable number.

1450015081 is a deficient number, since it is larger than the sum of its proper divisors (104411).

1450015081 is an equidigital number, since it uses as much as digits as its factorization.

1450015081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104410.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 1450015081 is about 38079.0635520360. The cubic root of 1450015081 is about 1131.8551199604.

The spelling of 1450015081 in words is "one billion, four hundred fifty million, fifteen thousand, eighty-one".

Divisors: 1 16493 87917 1450015081