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1450022020 = 22572501101
BaseRepresentation
bin101011001101101…
…1001010010000100
310202001110202021021
41112123121102010
510432201201040
6355515000524
750634661306
oct12633312204
93661422237
101450022020
11684555007
12345739144
131a1543bc5
14da813976
158747624a
hex566d9484

1450022020 has 12 divisors (see below), whose sum is σ = 3045046284. Its totient is φ = 580008800.

The previous prime is 1450022017. The next prime is 1450022023. The reversal of 1450022020 is 202200541.

It is an interprime number because it is at equal distance from previous prime (1450022017) and next prime (1450022023).

It can be written as a sum of positive squares in 2 ways, for example, as 651168324 + 798853696 = 25518^2 + 28264^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1450021985 and 1450022003.

It is not an unprimeable number, because it can be changed into a prime (1450022023) 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, 36250531 + ... + 36250570.

It is an arithmetic number, because the mean of its divisors is an integer number (253753857).

Almost surely, 21450022020 is an apocalyptic number.

1450022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1450022020 is an abundant number, since it is smaller than the sum of its proper divisors (1595024264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1450022020 is a wasteful number, since it uses less digits than its factorization.

1450022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72501110 (or 72501108 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1450022020 is about 38079.1546649870. The cubic root of 1450022020 is about 1131.8569254428.

Adding to 1450022020 its reverse (202200541), we get a palindrome (1652222561).

The spelling of 1450022020 in words is "one billion, four hundred fifty million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 72501101 145002202 290004404 362505505 725011010 1450022020