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1421443033 = 23292131099
BaseRepresentation
bin101010010111001…
…0111111111011001
310200001200210021021
41110232113333121
510402342134113
6353014242441
750140031533
oct12456277731
93601623237
101421443033
1166a40520a
12338056421
1319864896a
14d6ad4853
1584bcd48d
hex54b97fd9

1421443033 has 8 divisors (see below), whose sum is σ = 1534392000. Its totient is φ = 1312756368.

The previous prime is 1421443021. The next prime is 1421443039. The reversal of 1421443033 is 3303441241.

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 1421443033 - 217 = 1421311961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1421442989 and 1421443007.

It is not an unprimeable number, because it can be changed into a prime (1421443039) 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, 1064883 + ... + 1066216.

It is an arithmetic number, because the mean of its divisors is an integer number (191799000).

Almost surely, 21421443033 is an apocalyptic number.

It is an amenable number.

1421443033 is a deficient number, since it is larger than the sum of its proper divisors (112948967).

1421443033 is a wasteful number, since it uses less digits than its factorization.

1421443033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131151.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1421443033 is about 37702.0295607544. The cubic root of 1421443033 is about 1124.3714765386.

Adding to 1421443033 its reverse (3303441241), we get a palindrome (4724884274).

The spelling of 1421443033 in words is "one billion, four hundred twenty-one million, four hundred forty-three thousand, thirty-three".

Divisors: 1 23 29 667 2131099 49015277 61801871 1421443033