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1442416961 = 4333331217
BaseRepresentation
bin101010111111001…
…1000100101000001
310201112011101002102
41111332120211001
510423224320321
6355044000145
750513225156
oct12576304501
93645141072
101442416961
11680230237
12343090055
1319cab047b
14d97d422d
1586972c0b
hex55f98941

1442416961 has 4 divisors (see below), whose sum is σ = 1445748612. Its totient is φ = 1439085312.

The previous prime is 1442416957. The next prime is 1442416973. The reversal of 1442416961 is 1696142441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1696142441 = 7242306063.

It can be written as a sum of positive squares in 2 ways, for example, as 732514225 + 709902736 = 27065^2 + 26644^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442416961 - 22 = 1442416957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442416061) 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, 1665176 + ... + 1666041.

It is an arithmetic number, because the mean of its divisors is an integer number (361437153).

Almost surely, 21442416961 is an apocalyptic number.

It is an amenable number.

1442416961 is a deficient number, since it is larger than the sum of its proper divisors (3331651).

1442416961 is an equidigital number, since it uses as much as digits as its factorization.

1442416961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331650.

The product of its digits is 41472, while the sum is 38.

The square root of 1442416961 is about 37979.1648275736. The cubic root of 1442416961 is about 1129.8746724503.

The spelling of 1442416961 in words is "one billion, four hundred forty-two million, four hundred sixteen thousand, nine hundred sixty-one".

Divisors: 1 433 3331217 1442416961