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1045511045 = 5297210421
BaseRepresentation
bin111110010100010…
…011101110000101
32200212022110112022
4332110103232011
54120122323140
6251424532525
734623461105
oct7624235605
92625273468
101045511045
11497188a17
12252181145
131387b32b7
149cbd7205
1561bc10b5
hex3e513b85

1045511045 has 8 divisors (see below), whose sum is σ = 1297875960. Its totient is φ = 807567040.

The previous prime is 1045511009. The next prime is 1045511087. The reversal of 1045511045 is 5401155401.

It can be written as a sum of positive squares in 4 ways, for example, as 115627009 + 929884036 = 10753^2 + 30494^2 .

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

It is not a de Polignac number, because 1045511045 - 26 = 1045510981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3605066 + ... + 3605355.

It is an arithmetic number, because the mean of its divisors is an integer number (162234495).

Almost surely, 21045511045 is an apocalyptic number.

It is an amenable number.

1045511045 is a deficient number, since it is larger than the sum of its proper divisors (252364915).

1045511045 is an equidigital number, since it uses as much as digits as its factorization.

1045511045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7210455.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1045511045 is about 32334.3632224295. The cubic root of 1045511045 is about 1014.9458568351.

Adding to 1045511045 its reverse (5401155401), we get a palindrome (6446666446).

The spelling of 1045511045 in words is "one billion, forty-five million, five hundred eleven thousand, forty-five".

Divisors: 1 5 29 145 7210421 36052105 209102209 1045511045