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1414433021 = 70913731453
BaseRepresentation
bin101010001001110…
…1000100011111101
310122120111122100012
41110103220203331
510344043324041
6352204113005
750023324301
oct12423504375
93576448305
101414433021
11666457511
12335835765
13197063021
14d5bcbd01
15842963eb
hex544e88fd

1414433021 has 8 divisors (see below), whose sum is σ = 1418435160. Its totient is φ = 1410437952.

The previous prime is 1414432919. The next prime is 1414433039. The reversal of 1414433021 is 1203344141.

It can be written as a sum of positive squares in 4 ways, for example, as 783720025 + 630712996 = 27995^2 + 25114^2 .

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 1414433021 - 226 = 1347324157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1414433071) 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, 972731 + ... + 974183.

It is an arithmetic number, because the mean of its divisors is an integer number (177304395).

Almost surely, 21414433021 is an apocalyptic number.

It is an amenable number.

1414433021 is a deficient number, since it is larger than the sum of its proper divisors (4002139).

1414433021 is a wasteful number, since it uses less digits than its factorization.

1414433021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1414433021 is about 37608.9486824612. The cubic root of 1414433021 is about 1122.5201067822.

Adding to 1414433021 its reverse (1203344141), we get a palindrome (2617777162).

The spelling of 1414433021 in words is "one billion, four hundred fourteen million, four hundred thirty-three thousand, twenty-one".

Divisors: 1 709 1373 1453 973457 1030177 1994969 1414433021