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1413220420 = 22570661021
BaseRepresentation
bin101010000111100…
…0000100001000100
310122111020000222001
41110033000201010
510343241023140
6352122115044
750010114103
oct12417004104
93574200861
101413220420
116657a9467
1233534ba84
13196a2a101
14d599403a
1584106e9a
hex543c0844

1413220420 has 12 divisors (see below), whose sum is σ = 2967762924. Its totient is φ = 565288160.

The previous prime is 1413220363. The next prime is 1413220427. The reversal of 1413220420 is 240223141.

It can be written as a sum of positive squares in 2 ways, for example, as 409091076 + 1004129344 = 20226^2 + 31688^2 .

It is not an unprimeable number, because it can be changed into a prime (1413220427) 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, 35330491 + ... + 35330530.

It is an arithmetic number, because the mean of its divisors is an integer number (247313577).

Almost surely, 21413220420 is an apocalyptic number.

1413220420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1413220420 is an abundant number, since it is smaller than the sum of its proper divisors (1554542504).

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

1413220420 is a wasteful number, since it uses less digits than its factorization.

1413220420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70661030 (or 70661028 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1413220420 is about 37592.8240492783. The cubic root of 1413220420 is about 1122.1992342374.

Adding to 1413220420 its reverse (240223141), we get a palindrome (1653443561).

The spelling of 1413220420 in words is "one billion, four hundred thirteen million, two hundred twenty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 70661021 141322042 282644084 353305105 706610210 1413220420