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1200442041 = 32133382449
BaseRepresentation
bin100011110001101…
…0100101010111001
310002122211202220100
41013203110222321
54424303121131
6315041350013
741514406011
oct10743245271
93078752810
101200442041
11566688967
12296038309
1316191a746
14b5606c41
15705c67e6
hex478d4ab9

1200442041 has 6 divisors (see below), whose sum is σ = 1733971850. Its totient is φ = 800294688.

The previous prime is 1200441937. The next prime is 1200442043. The reversal of 1200442041 is 1402440021.

1200442041 is a `hidden beast` number, since 1 + 200 + 4 + 420 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 903603600 + 296838441 = 30060^2 + 17229^2 .

It is not a de Polignac number, because 1200442041 - 219 = 1199917753 is a prime.

It is a super-2 number, since 2×12004420412 = 2882122187600491362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200442043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66691216 + ... + 66691233.

Almost surely, 21200442041 is an apocalyptic number.

It is an amenable number.

1200442041 is a deficient number, since it is larger than the sum of its proper divisors (533529809).

1200442041 is a wasteful number, since it uses less digits than its factorization.

1200442041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133382455 (or 133382452 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1200442041 is about 34647.3958761694. The cubic root of 1200442041 is about 1062.7890361242.

Adding to 1200442041 its reverse (1402440021), we get a palindrome (2602882062).

It can be divided in two parts, 12004 and 42041, that added together give a palindrome (54045).

The spelling of 1200442041 in words is "one billion, two hundred million, four hundred forty-two thousand, forty-one".

Divisors: 1 3 9 133382449 400147347 1200442041