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1455557045 = 5593490913
BaseRepresentation
bin101011011000010…
…0000100110110101
310202102212221220012
41112300200212311
510440110311140
6400233350005
751033013355
oct12660404665
93672787805
101455557045
11687695608
12347568305
131a2731377
14db454b65
1587bbb265
hex56c209b5

1455557045 has 8 divisors (see below), whose sum is σ = 1749617496. Its totient is φ = 1162479616.

The previous prime is 1455557041. The next prime is 1455557069. The reversal of 1455557045 is 5407555541.

It can be written as a sum of positive squares in 4 ways, for example, as 110208004 + 1345349041 = 10498^2 + 36679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1455557045 - 22 = 1455557041 is a prime.

It is a super-2 number, since 2×14555570452 = 4237292622498264050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1455556993 and 1455557011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455557041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242492 + ... + 248421.

It is an arithmetic number, because the mean of its divisors is an integer number (218702187).

Almost surely, 21455557045 is an apocalyptic number.

It is an amenable number.

1455557045 is a deficient number, since it is larger than the sum of its proper divisors (294060451).

1455557045 is an equidigital number, since it uses as much as digits as its factorization.

1455557045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491511.

The product of its (nonzero) digits is 350000, while the sum is 41.

The square root of 1455557045 is about 38151.7633275318. The cubic root of 1455557045 is about 1133.2952718379.

The spelling of 1455557045 in words is "one billion, four hundred fifty-five million, five hundred fifty-seven thousand, forty-five".

Divisors: 1 5 593 2965 490913 2454565 291111409 1455557045